If you check my "dungeon 4" tag, I've made an illustration of this chapter's room with the dark lamps...ish. As close as the Oracles style can manage, anyway. Shorter Q/A this week:

Will there be anything to do with the Calamity in this fic?

Since this is intentionally set in a gray area between Spirit Tracks and the height of the Sheikah civilization to avoid ramming into whatever Nintendo's plans for BOTW2 are, the first Calamity is still a few centuries to a few millennia off. BOTW-style enemies, early versions of Sheikah tech, and environmental weirdness will happen for sure, just not Calamity-specific stuff like Guardians or jelly pits.

Will Harry get all Zelda items/abilities across a series of fics? (I apologize for misunderstanding this question in the last Q/A)

I'm sorry, but I'm still not interested in writing that. If asked on Tumblr (I'm at garden-eel-draws and very active there), I'd gladly post a whole essay about why, but that's the concise answer. For a sequel, I want to explore how this year of weirdness would affect the future of Harry's original story, since I've mostly set aside the plot of PoA for this fic to happen. Toward that end, I'd generally follow the outline of Goblet of Fire, but have Harry retain the spells/items he's earned by the end of this adventure. Without the constraints of making dungeons work and maintaining a Zelda-ish sense of difficulty and growth, I feel like there'd be a lot of fun opportunities for Harry to flex his ridiculous post-quest skills!

Content warning for non-fatal electrocution, mildly thalassophobic stuff, and ReDeads.

As a reminder, because this may have been forgotten, one Harry getting hurt means all Harrys get hurt (though the other three just feel their brother's injury for 10 seconds), so any one of them being shocked/stabbed/etc. will hit the others in the middle of whatever they're doing and possibly lead to further injury. This is one of the Four Sword's current glitches, as listed in the Ch43 endnotes.

Red was having trouble finding the fun in this temple. He wasn't a good swimmer. He was bad at puzzles. The jellyfish were worse than Buzz Blobs, with the way they fluttered around and refused to sit still. Red had found out the hard way how good they were at sneaking up on people by backing into one and lighting himself up. Blue had chewed him out for tripping their brothers up and Malfoy had watched with the biggest grin on his face. Well, biggest smirk. Malfoy never let anyone catch him genuinely smiling if he could help it.

Blue clamped a hand on Red's chin and turned his face in the direction of one of the small boulders sitting around the room. "Push it there," he mouthed, pointing to one of the equally common cracked divots in the floor. According to Blue, who had dumped a hurried explanation on them last time they'd surfaced in the air pocket above, they were trying to divert water pressure to the big crater in the middle of the room, which was blocked by a boulder too big for any of them to push. Different divots directed different amounts of pressure so Blue had been overseeing Ron, Malfoy, and Red pushing the smaller boulders on and off the cracks in the ground to check how much it affected the upward current leaking out from under the biggest rock. He hovered around the center of the room, his hands held out to feel for the shifting water.

Even with the temple giving him the energy to keep going, Red's arms hurt. Just because Blue called him a meathead, that didn't make him any stronger or sturdier than his nerdy brother. All the Harrys had the same amount of muscle that Green did. Red strained against the boulder, his shoulder burning and his feet threatening to slide out from under him. The damn thing probably weighed as much he did, if not more! Nearby, Ron had almost gotten his latest boulder into its niche and Malfoy was observing Red's struggle with glee. Red scowled at him. If his fish powers hadn't come with super-strength as part of the deal, Malfoy would have been having an even harder time than Red!

After finishing his task, Ron noticed Red having trouble and Malfoy standing around smirking. He punched Malfoy in the shoulder, to which the Slytherin responded by hitting him back and continuing to be unhelpful. Ron swam over to help Red and they finally got the heavy rock in place. The ground rumbled under their feet.

Red leaned against the boulder, wheezing from exertion, and watched the biggest rock. It wobbled under an upward force he couldn't see. Blue was carried to the surface of the cavern by the rising current and then swam back down to join Red, Ron, and Malfoy. He seemed equal parts nervous and excited.

"I don't know what we did," he admitted to Red. "What's underneath it?"

Red shrugged. "At best, a monster. At worst, an electric monster."

The boulder levitated up, rocking more and more violently until it tumbled off of the invisible fountain of water lifting it. It hit the cracked ground like…well, like a huge, heavy rock. With a sound that made Red's stomach lurch, the cracks spread, then multiplied, then widened.

The boys started swimming up, but not even Malfoy managed to escape before the ground fell out from under them. Cold water shoved at Red's back, then sucked him down. He made an effort to swim back toward the ceiling, but quickly gave up. He could breathe underwater and his limbs were still screaming at him for pushing heavy rocks, so why bother? This direction was as good as any other when it came to covering new ground. He crossed his arms and looked down to see where the water was taking him.

Below him lay…nothing. Pure black nothing. The sight hit Red's brain like a sugar rush. He'd never seen anything like this before! If he'd thought the Black Lake had been dark, that had nothing on this! The only way to describe it was like space on earth. He buzzed with energy, hopped up on fear. Should he swim down? He wanted to see what was in store, yet the force of instinct held him in place. It wasn't a good idea to run unthinkingly into places human beings weren't meant to be. He'd still wind up in the same place eventually, though, wouldn't he? Swimming there would just cut down the waiting time.

Red took his wand out of his arm pocket, cast an Illumination Charm, and struck out in the direction of gravity. As he did, he imagined Blue's phantom voice lecturing him for being stupid. Blue couldn't shout in his ear right now, though, so there.

The void wasn't actually that deep, just dark. Twenty-ish meters down, it took a sharp turn to the right. Red was a little disappointed. The hole had looked so fathomless that he'd thought it might go all the way down to where the fish started getting interesting. There weren't even any fish-monsters to spice things up! He sat down at the bottom of the pit, pouting, while he waited for his teammates.

Malfoy was the first to meet him. He had started using his magic earring to create more light to see by, so Red could see his spooked expression. Frowning, Red reached out for him. Malfoy jumped when Red's hand touched his wrist, but didn't jerk out of his grip when Red pulled him in closer. "You okay?" Red asked. He'd thought that Malfoy might have avoided the same bad experience that Ron, Hermione, and Green had had over in Hyrule, but apparently not. Even if he was part fish, underwater scary things were underwater scary things.

"Too dark," Malfoy said. His pupils were huge, swallowing his eyes as they tried to catch every scrap of light. "Bad things live in the dark."

Red would have liked to say something to calm the boy down, but words were scarce down here and he wasn't sure what to say. It wasn't like Malfoy was wrong. He tugged on Malfoy's wrist to get him to sit down and threw an arm over his shoulders to keep him there. Though the Slytherin was doing a decent job of keeping the fear off of his face, Red could feel him trembling.

Blue and Ron descended, Ron hugging Blue around the middle and looking around wildly. Red winced. Maybe the disappointingly non-bottomless pit was kind of ho-hum for him, but it was going to be a major mental obstacle for the traumatized members of the group. With reluctance, he stood up and tugged Malfoy to his feet. He'd rather wait a bit for Malfoy and Ron to calm down, but it was probably better that they just get out of these caves as soon as possible.

They went through the opening in the side of the pit and poked their heads into a room dimly lit by unpleasant yellowish light. It wasn't all that large—maybe the size of the Potions classroom—but the three objects floating in the middle made Red wish it were bigger.

He didn't quite know what they were, only that they had an aura of wrong. They were tall humanoid figures, but humanoid like skeletons, not people. He could see every rib in their torsos—glowing fingers of bone straining to break free from the thin skin holding them back. Blue jellyfish consumed half of their heads, dragging around the limp bodies hanging beneath them as they bobbed in the water. The creatures' eyes were bright with an inner blue-white light, but empty and soulless. If the jutting bones and shrink-wrapped, lipless faces weren't obvious enough clues, those eyes confirmed that these things were long-dead.

Malfoy suddenly clung to Red like a monkey, dragging both of them down. His arms clamped bone-creakingly tight around Red's torso. "ReDeads! Zora ReDeads!" he mouthed, clearly screeching the words into his personal airspace. "Get away from them!"

Blue and Ron didn't see Malfoy talking, but they definitely noticed his panic. They floated, wide-eyed, in the mouth of the cavern. "What's going on?" Blue asked. "What's wrong?"

Red tapped frantically at Malfoy's arms until the boy loosened his grip enough to let him breathe. He took a deep gasp of air and said, "They're Zora ReDeads. He's part Zora, they're Zoras…you get it." He eased Malfoy's legs off of him, since they were steadily crushing his pelvis. "What's the plan?"

"Er…" Blue watched the ReDeads float for a while. He got a constipated look on his face. "Hmm. This is gonna suck."

Red swam closer. "Why?"

"Two swords, three monsters. Also, underwater," Blue said, gesturing as he spoke. "Need to fight them one by one. Need to lure them one by one."

Red's mouth fell open. He was happy to do a great many dangerous things, but playing chicken with aquatic ReDeads in their native environment was undeniably risky. "Are you sure?"

His brother gestured widely toward the trio of monsters. "All three screaming is better?"

"No, no, don't want that," Red said quickly.

Ron tapped Blue on the shoulder. "What are we doing?" he asked.

Red and Blue sat their respective passengers down and explained the plan. Ron and Malfoy were on stunning duty, keeping the ReDeads they weren't actively luring still so that Red could bait one into swimming away from the others. Blue would stun the one that had been singled out of the pack with a light spell before it could start cracking Red's skull open and then he'd get to work attacking it with his sword. Red would join in the attack once he recovered from the paralysis.

"You can't be serious," Ron said. "You'll die!"

Malfoy scrunched his nose like he'd smelled something foul. "…I agree," he said. "Can you even use your swords?"

That was a good question. Red swam up a ways and unsheathed his sword. He switched his wand to his left hand and his weapon to his right, then gave the blade an experimental swing. It was incredibly slow and awkward. Bringing it down sent his body slightly up, which sucked the power out of his swing. He could add more force if he kicked himself into a little spin and brought his sword all the way around, but it was slow. Red stowed his wand; he could trust the others to keep him from getting eaten. With two hands on the hilt (in a "whatever works" grip that Green would definitely disapprove of), he kicked himself into a downward slash. It wasn't great, but he had a bit more control and leverage.

He swam back down. "Swords still work," he said. "We can do this." Before Ron and Malfoy could raise more protests, he entered the cavern. Either his friends would cover him or he'd have to figure something out.

White fire shot out from behind him, turning two of the ReDeads a lighter shade of gray and making them hang motionlessly in the water. Red circled around the one ReDead left unaffected, creeping around the edge of the cavern. Once he was at a good angle, he gripped his sword tight and started swimming toward the middle of the room.

The creature's lolling head snapped up, its white pupils locking onto him. Its zipper of bright turquoise teeth opened wide and a chilling screech echoed through the water. Red's body became a frozen prison. He could stand at the bars and rattle the cage, but outside of his imagination he couldn't do anything more than shiver. Which he did, violently. It was so cold.

The ReDead clacked its teeth shut and started moving toward him like a twisting snake. It flexed its torso in time with the jellyfish bell on its head, dragging its wasted limbs along. The lack of meat on its bones seemed to work against it; the zombie swam at the speed one would expect from a stretched-out classroom skeleton draped in skin. It sure was creepy-looking, though.

Jets of white fire hit the ReDead in the side once it had moved a few meters away from the others, making it reflexively curl up before going still. Blue swam in from the side with his wand in one hand and his sword held high in the other. He hacked at the ReDead with slow, awkward strikes. Red struggled against the deep chill in his bones. He wanted to fight! He wanted to slay this thing!

Finally, Red was able to move again. Blue re-stunned the monster and moved aside to let Red have his turn. Red grinned and brought his sword down right in the middle of the creature's head.

After ten slashes between the two of them, the ReDead let out a dying wail, a triangular purple gemstone floating up from its gaping mouth. Its glowing eyes and body parts faded into darkness and it silently sank out of sight. Red watched it fall with unease. He'd expected it to disappear in a puff of smoke. That hadn't been like slaying a normal monster. It had been more like…killing someone.

Blue collected the gem and clapped him on the shoulder. "One down, two to go," he mouthed.

"Right." Red shook the cobwebs from his mind and got back in gear. This was no time for thinking about sad stuff like killing long-dead people for a second time.

While Blue swam off to the side, Red went straight for the next ReDead in line. This one looked a little different from the first. Its jellyfish bell was rounder and the tentacles growing from its head were lacy and white as opposed to tube-like and turquoise. It was another reminder that these things weren't run-of-the-mill monsters.

The creature turned and screamed. It sounded like how being near a Dementor felt: icy and numb and more than a little like dying. Red sucked in a breath to keep himself afloat as his body locked in place for the second time. Still just as cold, still just as awful. It wasn't the kind of sensation one could build up a tolerance against.

He watched the ReDead wriggle toward him with nervous fascination. This thing was well over two meters tall and probably stronger than it looked, so he very much didn't want it getting its hands (and teeth) on him, but the shambling way it swam was mesmerizingly alien. It was the opposite of how a spider walked—it didn't move its limbs at all, relying on its fishy appendages instead—but it inspired the same feeling of "how does it do that?"

A jet of white fire hit the ReDead from behind and Blue leapt on it. He did something he would have scolded Red or Green for, hooking one leg around the creature's sunken midsection to give him the leverage to use his sword. With that extra bit of stability, he was able to get six hits in before Red unfroze.

Blue's position on the monster's back wasn't all benefits, though. Unlike Red, he couldn't see the ReDead's eyes brighten and its jaw fall slightly open as it slowly regained the ability to move. From the angle he was at, the only visual cue would have been the monster's skin darkening slightly to its original color. Red didn't have the time to undo the knot on his wand pocket and fight not to bobble the wooden stick into the abyss, so he dashed forward to finish the monster instead. Blue got in strike seven and Red added numbers eight and nine. The monster's toothy maw dropped open. Blue's stab at the back of its neck cut off the start of the ReDead's terrible screech. It loosed a deeper, softer death cry instead, coughing up a red gemstone before slipping away into the shadows.

Red collected the slowly sinking jewel and then flicked his brother on the forehead, taking great satisfaction in doing so. Turnabout was fair play. "You need to watch its face!" he said sternly. "It could have eaten you!"

Blue was pale and wide-eyed under the light of his air globe. "I didn't think that through," he admitted.

"Grab a shoulder, maybe," Red said, gripping his own to demonstrate. "Go from the front. Watch its eyes."

His brother nodded. "I will."

They split up and approached the last ReDead from two directions. Slaying this one went more smoothly. Blue took Red's advice and held onto one of the monster's bony shoulders to slash at its glowing ribs, while Red swam around, grabbed onto its sticklike arm and attacked its spine. Its skin was tight, leathery, and unnaturally cold. After the monster cried out and descended into its (hopefully) final sleep, Red shuddered and rubbed his chilled hand on his trousers. He definitely didn't want to touch another corpse anytime soon; he'd rather hug a Moblin.

There came a sound of falling rock from across the room. A circle of light opened in the wall as the stone covering it fell away, revealing a big red and gold treasure chest twinkling within. Red perked up. He didn't think he'd ever get tired of finding treasure chests. Even if they usually just held keys, there was something thrilling about opening a fancy box and getting a new thing out of it. He could kind of understand Dudley's obsession with birthday presents now.

Ron and Malfoy blew past him like twin rockets. They made a beeline for the well-lit inlet and huddled by the chest like it was shelter in a storm. Blue picked up the pace to cross the room, too. Apparently he'd been more freaked out by the void than he'd let on. Red swam at a speed that didn't make his sore arms burn. He didn't fear the darkness, nor did he mind the depth of the water. Being in a big space where he could move in every direction was a bit like slow-motion flying without a broom. He found it freeing, even if not being able to swing his sword as well was annoying. And being in a dark cave was rather exciting. He didn't know what might come next or what new thing he might come across! Seeing and slaying new things was always interesting. The Zora ReDeads, for example, had been cool-looking. He wondered if there were other glowing monsters down here. Those bluebell jellyfish they'd come across earlier would have stood out beautifully against this dark water.

The rest of his group had opened the treasure chest by the time he caught up to them. They all now held wide-mouthed, narrow-necked, two-handled vases enameled with blue and white wave patterns. It was a scene that wouldn't have been out of place at an antique store. Red stopped to laugh at the absurd sight and then claimed his own vase from the chest. What on earth were they supposed to do with these? He peered into it and turned it all over. If it was meant to hold flowers, it was poorly designed. The bottom was round enough that it would wobble on any flat surface, and the sturdy handles were better suited for a heavy outdoor flowerpot than something as fine and expensive-looking as this. He ran his hand over the curved base and scrutinized the handles. They were flatter and thicker at the top, almost like…

He planted the bottom of the vase against his chest, put his arms under it, and held it in place by the subtle grips he'd noticed at the top of each handle. That felt right. He didn't know what the vase was supposed to do, but it seemed like it was meant to be held this way.

Blue's face invaded his space. "What are you doing? Go up," he said. "You're too slow." He swam up the narrow shaft extending above the treasure chest.

"Well excuse me for trying to figure out why we got a vase, of all things," Red grumbled, trailing after his brother.

They emerged into a room with a floor of shiny blue tiles and whose smooth gray walls were painted with different stylized fish. Painted oyster lamps with shining white pearls provided clean, if somewhat dim light. Unlike the rough caverns they'd been seeing so far, this looked like a place that had been stolen from a proper underwater building. The blue jellyfish bobbing around looked far more fitting here than they had in the yellow-lit brown caves.

He was ripped from his thoughts by a ball of lightning hitting him in the gut. Red experienced a split-second of hot, blinding pain…and then, the next thing he knew, he was being shaken awake by Ron.

"Get up, get up, get up!" Ron mouthed urgently. He glanced to the side and then dropped over Red. A ball of chaotically dancing electricity flew over them. Ron stood up, yanking Red with him. "We have to go!"

Go? He pulled away from Ron. No, Red wasn't going anywhere. His muscles were burning and aching like he'd run a marathon. If his abs hurt any more, he was afraid he might have to learn how messy it was to lose his lunch underwater. Red wasn't going to let whatever had done this to him off the hook, even if it meant taking another couple of shots like that in the process. He was mad.

What had attacked him? He traced the trajectory of one the balls of lightning flying through the water back to jellyfish that didn't look like any of the others. It was yellow and cyan, with frills and stripes and chunky translucent tentacles. In the middle of its bell was a giant yellow cat-eye currently aimed in Malfoy's direction. The Slytherin lay limp in the water, knocked unconscious either by the fancy jellyfish or one of the plain blue ones floating around it. Blue was dragging Malfoy out of the way, but the boy was floppy dead weight and it was slow going. Red hurried across the room at his fastest breast-stroke. Blue managed to duck the jellyfish's shot, but it was a narrow thing. Red powered through the water until he was a few meters away, set his vase down and flapped his arms to get the creature's attention. One of his arms whacked a blue jellyfish in the process—it was so soft that it felt like nothing—but fortunately it wasn't electrified at the time.

The fancy jellyfish's eye spun around to face him.

Red realized he didn't have a plan. He couldn't use his sword on something full of electricity, the white fire spell usually bounced off of anything that wasn't a ghost or a zombie, and the only magical artifact he could use right now was the silly vase.

Out of the corner of his eye, he could see Blue hollering something along the lines of, "DON'T USE YOUR SWORD, YOU BLOODY IDIOT!" Red rolled his eyes. He wasn't that dumb; he'd learned his lesson by now. He hitched the vase up to rest against his chest and aimed its mouth at the jellyfish. Either he'd be shocked into dreamland again or he'd figure out what the vase did. If the first thing happened, Blue couldn't whine about him using his sword on an electric thing again. If the second thing happened, he could rub it in his brother's face.

The creature built up a charge and then sucked it into its eye. Red braced himself. The energy glowing in the monster's eye shot at him. It landed in the wide mouth of the vase.

There was a moment of stillness. Red's tense muscles relaxed as he realized he hadn't been zapped. The electricity had just vanished. He looked down at the vase. Of the three lines of waves rippling across its body, the bottom line was now glowing white. Interesting…

In the seconds that he sat there studying the piece of Hylian (or was it Zora?) pottery, the jellyfish loaded another shot and sent it at him. Red jerked the vase up and caught the ball of lightning. Now the middle line of waves lit up. Red sent a triumphant look at Blue. Not only had he figured out how to hold the vase, but he'd learned out what it did, too! He was willing to bet something interesting would happen once all the water designs on its body were glowing.

The jellyfish's eye started sliding back toward Blue, who had almost managed to drag Malfoy back into the hole they'd entered the room from. 'Oh, no you don't,' Red thought, waving the vase around. The monster's attention returned to him. Power crackled in its tentacles, built up around its bell, and shrank into its eye. Red was ready for it. He did a quick sidestep to adjust for the slightly off angle, and shot three landed in the vase. Every speck of white enamel on the fancy flowerpot was set alight and the right handle shifted, a wide button popping up on the underside. Cackling with glee, he pressed it with his thumb. Whatever the button did, it was sure to be brilliant!

With a kick of recoil against his ribs that knocked the air out of Red, the vase blasted a giant ball of electricity back at the fancy jellyfish. The monster didn't stand a chance. It bubbled as if boiling and then exploded like a popped balloon. Its scattered pieces then vanished in puffs of smoke, leaving behind a generous number of glittering blue and green triangles. While Red wheezed, silently vowing to brace his arms next time, Blue hurried to gather up the gemstones. The jewels had been rather sparse in this temple, what with the electric monsters and all, so every little bit helped. Green was absolutely certain they needed to have their swords glowing by the end of the temple. Red was happy to go along with Green's weird feeling; he'd have thrown himself into slaying monsters even without a reward.

Once he'd caught his breath. Red nudged Blue with his elbow. "I did something smart, see?" he said proudly. "I figured out what it does."

Blue rolled his eyes and mussed Red's hair. "You say that like I'm always mean," he huffed. "You thought of a solution and you tried it. Good job."

Red beamed. Non-sarcastic praise from Blue was a rare thing.

With the destruction of the fancy jellyfish, an opening in the floor had been revealed. It was a tight fit, a little smaller than one square meter. After helping Blue rouse Malfoy, Red dropped to his knees next to the hole and poked his head into it. He saw a maze-like cavern hosting eight dying yellow oyster lamps, four of them so dim that they were nearly invisible in the darkness. The stretches of void in between those lamps were occupied either by blue jellyfish or frilly cyan-and-yellow ones. He could see four fancy jellyfish from his bird's-eye view, all of them separated by either a wall or a few stalagmites to keep multiple jellyfish from focusing on the same target. This looked doable.

He went to drop in, only to be stopped by Blue gripping his shoulder. "Hold on. Let me see," he said. Red shifted aside so he could peer in.

"What's in there?" Malfoy asked him.

"A dark cave again," Red reported. "The lamps aren't working." Malfoy shuddered and Ron slumped in dismay.

"Great," Ron said. "One nice room, then back to the caves. I hate this place."

Malfoy had that pinched look on his face that meant he'd agreed with Ron again. Red didn't know why he and Ron got so grumpy about thinking the same thing. They were the same age and had gone through a lot of the same things this year; it made sense that their opinions would line up once in a while.

Blue sat up. "We need to light the dark lamps," he declared. "They're suspicious."

Malfoy lifted the vase incredulously. "Light them with this?"

"Yes," Blue confirmed. "Bait the jellyfish, get their power, light the lamps."

Malfoy looked down at the vase with doubt. "What if we miss the catch?"

"Then we wake you up," Blue said. He pointed to his earring. "Keep this on. We need to see you."

"Wouldn't a Lumos—"

"No wands, just vases."

Malfoy jerked back. "No wands?!"

Red demonstrated the proper way to hold the ceramic cannon and raised an eyebrow at him. "Wands go where?" he asked, tapping his fingers against the handles.

Ron and Malfoy couldn't bring themselves to exchange miserable looks, but they wore matching expressions of desperately wishing they were anywhere else.

"We move faster, we leave faster," Blue told them. "Let's go." He stepped out over the hole, snapped his legs together, and dropped through the floor.

Red hugged the vase to his chest and followed suit. A weak current helped pull him into the cavern below. He was glad for the Warming Charm he'd been maintaining throughout the temple, because this place looked cold. The cavern was enormous, with a fathomless bottom and a ceiling that stretched ever-higher as he descended to the level of the lamps built into the tall maze walls. He marveled at the vast scale. This temple probably held enough water to give the Black Lake a refill!

He hooked his arm through one of the handles of the vase and set out to find a fancy jellyfish to antagonize. He buzzed with excitement at the prospect of firing his new favorite weapon again. This place was finally getting fun!

It didn't take him long to get shot at. Red kicked hard to avoid a bright ball of electricity that came at him from the side. The boiling water trailing behind it created a warm spot in the dark, frigid room. He wheeled around just in time to catch the second shot that had quickly followed the first.

"Not much reload time, there, huh?" Red said as a third dose of ball lightning came his way. Getting hit even once would really suck; as fast as this monster kept firing, going dead in the water in front of it would mean being pummeled with electricity while knocked out. He didn't know much about electricity, but he figured a lot of it running through him multiple times was bad.

He caught one last shot and then booked it around the corner before the jellyfish could launch another. A flash of blue popped into existence in front of him and he had just enough time to curse before he rammed into a different kind of jellyfish. Sizzling pain seized and rattled his body in place. Red screamed and thrashed as soon as he was able, batting the horrible little beast away from him.

"S-Screw-ew y-you!" he stuttered at the jellyfish, flipping it off with one twitching hand. The damned things were practically invisible in this place! The sooner they got the area lit, the better. Right now, they were swimming in a dark maze full of unseen danger-balloons.

Red treaded water, looking around for an unpowered lamp. Blue jellyfish blinked in and out of sight around him in all directions. Looking down into the vast dark, he could see the bobbing fairy lights of their bells trailing off into the distance.

'Ooh, that looks cool,' he thought, staring into the void. He wished he had a camera. How far down did this place go? Was this just more geography ferried over from Hyrule, or was this part of the temple actually what lay under Hogwarts? If this place really was Hogwarts, and there were flooded caverns beneath it leading into forever, that…probably had implications, or something. Huh.

Back to the mission at hand, though…He sighted an unlit lamp, made sure to lock his arms when he pointed his pot at it, and fired. A hot flash lit the water as a beam of electricity spat from the mouth of the vase. The force of it shove him backward, since he had zero leverage. After smacking away the now-somewhat-visible jellyfish he'd bumped into, he started looking for another unlit lamp.

He almost ran into Blue as his brother shot down the next straightaway. Blue flapped around in the water, narrowly avoiding the balls of electricity flying at his back, and turned the corner with frantic speed.

"They just don't let up!" he panted, clutching his chest.

Red peered around the corner at the frilly jellyfish, which had stopped firing after Blue left its sight. The creature milled around aimlessly in one spot now, its eye revolving in its bell. These monsters were definitely persistent if set off, but luckily they didn't move. Unlike the blue jellyfish, they bobbed with purpose in one spot.

"At least they stay put," he muttered. He thought he could see the weak, flickering glimmer of another unlit lamp behind the fancy jellyfish.

Ron came speeding around a corner on the other side of the monster, his face set with nervous determination. The jellyfish's eye locked onto him and its body charged with lightning. Ron caught three shots easily, since the monster had great aim, and lit the second lamp. That was when the issue of the creature's great aim came in; Ron still had to swim out of there, and the nearest corner was ten meters behind him. Ducking and bobbing around shots, Ron pushed off from a wall and did his best to swim backward while holding up his vase to protect his center mass.

A shot made it around the edge of the vase's mouth, which had been put off-kilter by Ron's furious kicking. Suddenly Ron was adrift and twitching in the water. Red cursed and swam out into the straightaway. Killing these monsters while they were still useful was probably a bad idea, but he wasn't going to leave Ron in the lurch just to keep this thing alive.

Red took his sword from his sheath, and immediately he could feel Blue's warning glare center on him. He wasn't going to take a swing at this thing, though. Swimming up at top speed, since the monster was still focused on Ron, Red flung his sword ahead of him. It spun through the water, slowed down but still dense and thin enough to get some distance.

The jellyfish's eye spun around to lock on to the moving object and hit it with a bolt of lightning. The sword didn't care. It easily sliced into the monster's bell and stuck in its eye.

With a crackling squeal, the monster flailed and poured all of its energy into the water around it. Some of its tentacles pawed at the sword in its "face", unable to push hard enough to remove it. Red swam under the creature, avoiding its aura of electricity, and went for Ron.

"Hey. Hey!" He shook his unconscious friend and checked his pulse. Ron's pulse had a bit of a stutter, but at least it was still going.

Ron's eyes fluttered open. The first thing he did upon waking was curse.

"Yeah, I know." Red pointed him toward the corner and pushed him toward it. Ron didn't need any more prompting; he made a beeline for cover.

Red turned around to face the jellyfish, which had flipped itself upside-down to get the sword out of its face. The blade fell into the abyss.

Not for long, though. Once it was three meters away from Red, it vanished and reappeared on his back.

Red swam backward more slowly than Ron had, stopping to catch the shots that came his way from the monster's smoke-bleeding eye. When he had three balls of lightning in his vase, he fired it at the annoying monster without hesitation. It boiled to pieces and left behind a red triangle.

Off to the left, another lamp lit. Red huffed in satisfaction. See, they had enough of these monsters around to keep going. He swam over to retrieve the slowly sinking gemstone.

The fourth lamp blinked on before he had to find himself another fancy jellyfish to harass, and a dull chime caught his attention. He looked over at the source of the sound to see a silver key slowly revolving as it drifted down from the darkness above. Red swam cautiously toward the middle of the room, keeping an eye out for fancy jellyfish. Now, he figured, it wouldn't hurt to take all the things out so they didn't shoot everyone in the back when they tried to leave the room.

While Malfoy zipped through the water to fetch the key, Red took out any fancy jellyfish he could find. The monsters were only too happy to give him all the shots he needed to do it. Red was sure his arms were going to be tired from bracing his cannon by the end of this temple. Man, that thing had a kick!

As soon as Ron swooped in and took out the last jellyfish, a pair of yellow lights blinked on far, far below. Red cocked his head to the side and watched the blue jellies still bobbing around blink in and out of sight between him and the lights. Unlike the last dark hole they'd swam into, this one seemed to go down impressively far. The fact that all he could see down there were a set of lights floating in the void made it hard to judge the distance, but he figured it was several dozen meters. Maybe a hundred? A grin spread across his face. They got to go deeper! Maybe they'd really find some weird glowing fish, at this rate!

The rest of his group looked positively ill at the idea of going down there, which curbed Red's enthusiasm. Ah, right, he was the odd one out here. Blue went to hold onto Ron, who had gone deathly white under the turquoise screen of his breathing bubble, while Red went to Malfoy. The aristocrat latched onto his arm with almost bone-breaking strength. Red reflexively jerked his arm back, unable to hold in a cry of pain.

Malfoy released his arm immediately and clutched at his shirt instead. "Sorry," he said meekly, his eyes wide and terrified. There was none of his usual confidence left to him now, just a scared kid who couldn't help but show it.

Red patted him on the arm. "It's okay," he said. "Come on."

They went straight down in a slow spiral around the bobbing blue hazards. Luckily, the jellyfish thinned out more the farther they went. By the time they'd passed maybe forty meters, it was just them, the water, and the two spots of light still tens of meters below.

Red noticed a change in the stone as they went down. The rock in the "room" above had been purely that: natural, carved-out rock. What he could see in the distance, though, were bricks. Well, more like blocks of granite packed together, but close enough. He squinted and adjusted his glasses. That was a different kind of "civilized" stone than what had been in the Zora caverns. The Zoras had been happy to just cut their rooms out of the caves; Red couldn't imagine brick-laying working too well underwater, anyway. Those blocks were actually a lot closer to what Hogwarts was made of. Did the castle extend all the way down here?

As it turned out, the lights that had clicked on were a totally different style from the oyster lamps they'd gotten accustomed to seeing. They were perfectly round, simple globes, lit from within by an even yellow glow. To Red's surprise, the farthest edges of their light revealed a floor. Square, dull purple tiles shone dully in the light. They were broken at the edges where the rest of the floor had fallen away, and full of spindly stalagmites. The doors set on either side of the small patch of ground were set within groove-lined arcs made of a paler stone than the blocks around them. One door was locked, the other open to reveal nothing but inky black within. Red took out his wand to cast a Lumos, since no one else seemed willing to do it, and swam up to the open door. What lay within was a staircase that went up. Red pursed his lips, recognizing that style of staircase. Smaller turrets and servant's corridors at Hogwarts that had ones like those. A lot of students avoided those smaller passages purely because the close ceilings and tightly spiraling stairs were so terribly claustrophobic. He swam up next to the wall of the vertical passageway and swam up. Now, with his wand out, he noticed the dark doorways and the broken edges of what had formerly been floors. That little semi-intact section below was only a tiny piece of what had probably been a very big building.

Now he really wondered whether this was a Hyrule thing or a Hogwarts one. If this had been here the whole time, that meant the school was sitting on top of another castle—not to mention a giant hollow cavern. How did something like that even happen? Wouldn't you notice when you dug into the dirt to set a foundation and hit a turret?

"Maybe it's just that far down," he murmured, stroking his chin with his wand-holding hand. Hogwarts's dungeon levels went down pretty far, though, especially deeper and more hidden spots like the Chamber of Secrets. Surely it would run into whatever lay below?

"Or maybes it's a Hyrule thing after all," he concluded, deciding to toss the conundrum out of his mind. There was still adventuring to do, and he had to be brave for his teammates.

Red swam back down. "Miss me?" he said with a cheeky grin at his brother.

Blue smacked him hard on the shoulder. "At least explain when you leave!" he said. "You scared us!"

"Sorry, I was curious," Red said, accepting his punishment with a shrug. "It was nothing, though." He retrieved the silver key for the locked door from Malfoy and put it to use. Enough thinking about boring things like architecture. Back to action and adventure!

Item Get: Abyssal Vase (temporary copy). Inspired by the Gust Jar from Minish Cap, this item can consume and fire back both mundane projectiles and magic bolts in groups of three. The downsides are that the item's recoil can potentially harm the user, the area of provided defense is small due to a lack of suction, and projectiles/magic can only be fired out if at least three units are absorbed. The units don't have to be uniform, however; any three things will be combined into one counterattack.

Notes:

-Red catching the shot from the Psykubo in the well-lit room is what caused Harry to fall into the electrified water last chapter, for anyone wondering. He (and Yellow and Blue) passed out due to the compound effects of Red getting zapped, then Harry being fried.

-As you can see, Red inherited more of the "poke the bear" side of Harry's personality than the "ruminate deep and hard on things" part. He's not dumb, but he's more of a doer than a thinker.