Frizz was staring at the deactivated mech in the distance, when he saw Tetra approaching him. "Tetra!" he cried, "Do you see that thing?!"

"Actually, I just got up close and personal with it."

Frizz gasped. "You don't mean..."

"Yep. And I've got the bruises to prove it."

Frizz was speechless.

"But anyway, I need your help. That wristwatch thing that needed a power source? I found one." He showed Frizz the Emerald, which made him even more bewildered.

"is - is - Is that a Chaos Emerald?! Oh my goodness, I think I might be having a heart attack."

Tetra held him upright as they went into Frizz's house.

"Now, I haven't tested it on anything more than a bag of batteries, so I have no idea what a Chaos Emerald could do to you."

"That's okay; I was always the risk-taker out of us, wasn't I?"

Frizz finished fastening the Emerald into the device, and was now calibrating it.

"Alright, turning it on in three, two, one, now!"

He pressed a button, and Tetra cringed as a lot of energy coursed through his entire body at once. But he quickly got used to it, and soon found that he could move again.

"Okay, so now what?"

"I'm pretty sure that's it. As long as you're wearing the device, you'll have access to this power."

"Is that really it? I thought I'd at least gain a new ability or something, you know?"

"Well, we'll just have to wait and see. For now, though, you'd better prepare yourself in case another attack is on its way."

"On it." Tetra began to run out of the garage, but tripped over a wire. He curled up to protect his head, but found that he didn't stop rolling. "Woah woah, what's going on?!"

"You're Spin Dashing! This is incredible!" Frizz quickly grabbed his notepad and started jotting down things.

Tetra rolled outside and straightened out, somehow stopping upright. He looked around, swaying slightly. "And I'm hardly dizzy!"

But his thought was interrupted by a metallic glimmer in the corner of his eye. He looked and saw an owl-shaped Badnik peering out to him in the darkness.

"Hold that thought, Frizz." He started to run towards the Badnik, which turned and sped off more quickly than he'd ever seen one go. He chased it into The Fool's Forest, where it disappeared into an ancient ruin that Tetra had loved to explore as a child.

But now, this place seemed a lot creepier than before. Maybe it was the way the moonlight gave everything an eerie glow, or maybe it was because he was still tired. Or it was probably all of the stone faces peering at him from the darkness.

Wait a second — The busts were all identical, except that one of the faces was missing its right eye. It seemed almost deliberate.

He poked into the eye-hole with his finger, and felt something in the back give way. There was a rumble, and the stone below him fell, dropping him into darkness.

When he landed, he could only see a small part of the cave that was illuminated by the Emerald on his wrist, as well as the moonlight that came through the hole.

"Hello? I know I probably shouldn't be calling out with baddies potentially near, but I don't know where I am!"

A deep and intimidating voice responded, "Why, you're in the depths of Fool's Ruins, child..."

Tetra shuddered, then looked up as something sealed the hole above him. "Who are you?" he demanded, swinging around his wrist to try and find the source of the voice.

"I don't know if you've heard my name, but I'm sure you've heard my stories. I took down an army of a hundred armadillos with a single touch. I swam alongside vikings and protected them from dangers, then turned on them because I felt like it. I once sneezed so hard that the Studiopolis power plant got overloaded."

Tetra stumbled blindly through the darkness, growing anxious. Suddenly, he felt a warm and slimy creature touching his back. He slowly looked up at piercing red eyes right above him.

"I'm Killowatz," he grinned, his sharp blood-stained teeth glistening in the dim red light. "And I'm here to end your little hero streak."

Tetra jumped out of the way as Killowatz swung his tail, but he rammed into a wall, knocking him down. He got up, but hit his head on a rock and became dizzy.

"Having some trouble seeing?" His slimy foe sneered. Electricity flowed through his body, sparking on his slimy scales and giving off a faint yellow light.

Finally somewhat able to see, Tetra got into a battle stance, but was quickly slammed against the wall by the owl Badnik that had brought him here. It managed to pin him down.

"Now, look, kid - I actually think you're a great fighter, and I'd love to have you on our side, but the others want me to kill you. So I'm giving you a choice: join us, or die."

Tetra asked, "What? No! You're trying to destroy the city!"

Killowatz exclaimed, "You don't understand! We're doing it because someone threw a cup into our ship, nearly killing Razor!"

Tetra thought, 'Razor?'

And then he realized: He'd witnessed that cup being thrown! It was that fox he'd seen at the beach that morning!

"Well, I'm sorry for this 'Razor' fella, but a cup isn't an excuse to start destroying a city!"

"When he's the last of his species, it is!"

"But still! That was one fox out of thousands of —"

Killowatz turned sharply towards Tetra. "I never said what species he was; how did you know he was a fox?"

Tetra faltered.

Killowatz gasped. "You saw him! You saw the fox attack, and you did nothing!" He pressed his tail against Tetra's chest, making it harder for him to breath. "So now, my mind is made up: I'm going to stick to Razor's plan, and with the help of X, we're going to bring HELL to those puny surface dwellers, starting with YOU!"

Killowatz lunged towards Tetra, who — with a burst of adrenaline — managed to slip the eel's slimy tail off of him and dodge his teeth. He spin-dashed at Killowatz while he was still down, hitting him in the throat. The eel reared up, then gagged. Something glowed yellow in his throat, which he managed to swallow again.

'Did he eat a Chaos Emerald?!' Tetra wondered, then dodged his tail as it tried to knock him out. He leapt off the wall, then spun in midair and dropped straight onto Killowatz's head, shattering most of his teeth. Killowatz screamed bloody murder, and fell down, gagging on his own blood. He hacked and coughed, until a Yellow Chaos Emerald came out. The moment it did, he started to shrink to a normal size. But as he shrunk, he grabbed one of the support pillars with his tail and pulled it down, causing half of the chamber to collapse.

"Owl!" He managed to say through broken teeth, "It'th time to fly the coop!"

The Badnik, triggered by the keywords, flew to him, picked him up in its talons, and escorted him out of the ruins.

Tetra picked himself up, took the Emerald in his hand, and watched Killowatz as he receded towards the horizon.