"Tuffnut!" Hiccup called out, seeing the twins. "Ruffnut! What are you guys doing?"

The two looked at each other. "What does it look like we're doing?" Tuffnut retorted.

Hiccup sighed, Toothless making a bemused face beside him.

"Like you're… I don't know."

The twins were crouched behind some rocks, staring at what seemed like a cave. Hiccup just hoped it wasn't a hole they and their dragon had blasted into the cliff.

"We're hiding!" Ruffnut said in a isn't-it-obvious tone.

"Hiding," Hiccup repeated. "From what?"

The twins looked at each other. "The dragon!" they said loudly.

Personally, Hiccup thought they were doing a terrible job of hiding if they were going to yell like that. "What dragon?"

Tuffnut said, "The weird one!"

"Thanks, that clears it up," Hiccup said sarcastically. "Weird, how?"

Ruffnut shrugged. "It had eyes on it's wings."

"Eyes on it's wings," Hiccup said skeptically.

They nodded.

"Alright," Hiccup sighed. "You guys go back to the village, we still have that meeting. I'll go and…" They were running away, no longer paying him any attention. "...find that dragon," Hiccup finished. He looked down at Toothless. "Just me and you, huh, bud?"

Toothless gave out a happy purr as they walked into the dark cave.

"This place is like a labyrinth!" Hiccup exclaimed. They'd been walking for a while, and if it wasn't for Toothless's ability to navigate in the dark they'd be lost.

His voice echoed back at them. Toothless reared his head back, ears perked at the sound. He growled loudly.

It echoed, sounding like a thousand dragons at once.

Then a growl that definitely wasn't an echo came from in front of them.

"A little light, bud?" Hiccup said nervously.

Toothless spat out some fire that lit up the cavern, revealing the odd-looking dragon before them.

It reminded Hiccup of a moth - it's scales were a light beige, with lighter skin beneath. Leathery wings that were just like a moth's were tucked on it's back, and it had four legs with four claws and a dewclaw on each. It's horns were straight, tipped back with one on either side of it's head. Other than the horns, the dragon's head resembled a Monstrous Nightmare's - at least in structure.

The dragon reared back, spreading it's wings. To Hiccup's surprise, they had markings shaped like eyes. Numerous eyes on each, it's counterpart on the other wing creating a pair.

"Eyes on the wings," Hiccup commented.

Toothless growled, causing his rider to place a reassuring hand on the Night Fury's nose.

"It's alright," Hiccup said, keeping his eyes on the dragon. He reached out his other hand, turning away and closing his eyes.

To his surprise, the dragon bit him. The dragon's teeth were miniscule, millions needed to line it's whole mouth. But they were sharp, and drew blood - very little blood, but it still hurt.

Toothless growled.

Hiccup, blinking hard, thought he heard Toothless say, "Don't bite him!"

The Night Fury launched himself in front of Hiccup, defending his rider. They exchanged a few bites and blows before the dragon backed off, fleeing into the dark labyrinth of caves.

Toothless turned back to Hiccup.

Everything hurt. Hiccup really, really hoped the dragon wasn't venomous, but his chances seemed slim. "Thanks, bud," he muttered deliriously.

To his surprise, Toothless backed away, his eyes turning into slits. The dragon growled - the sound echoed in Hiccup's mind, seeming to form words - "What did you say?"

Hiccup jerked, the pain growing. He was going to die.

He heard Toothless roar in agony.

Hiccup remembered the bleeding bite marks.

He hoped Toothless wasn't going to die too.

"Hiccup. Hiccup."

He stirred. Who was talking? The sound was unfamiliar… no, wait, he knew that voice.

"Hiccup, wake up!"

It was his voice.

Hiccup's eyes flew open. He took in the sight of himself standing before him. Though, for some reason, his duplicate seemed smaller somehow.

He tried to stand, and fell. He struggled, pushing himself up on four legs. He looked at himself, then at… himself.

"Toothless?" Hiccup said. His voice felt odd, rough.

Toothless-turned-human shook his head. "I can't understand you," the former dragon said.

Hiccup growled in frustration. The oddness of how instinctive the action had been was overshadowed by Hiccup's guilt. He'd really screwed up.

He couldn't even walk.

Then Hiccup realized something. "Why are you wearing my clothes?"

Toothless sighed.

"Because you won't fit in them, and in this body, I need them."

Hiccup refused to think about that. He saw that Toothless had ripped the shirt a little, obviously having struggled with it. The former dragon hadn't even bothered with the jacket.

"So what're we going to do?" Toothless asked.

Hiccup shrugged.

"I can barely see," Toothless added, sounding irritated. "I bet you don't know how to, do you?"

Hiccup gave another shrug.

At that moment, they both heard, "Hiccup! Hiccup!"

"Astrid," they said at the same time, though Hiccup's was only a growl.

Toothless looked truly worried.