"Astrid, are you completely sure about this?" He was so sure they'd get caught in the arena after-hours.

"Of course I am!" Astrid whispered. Snotlout…that stupid, cocky idiot wasn't getting away with slapping her butt after dinner last night. She had formulated a plan to avenge her pride and needed Hiccup's expertise to help her (because truthfully, they both knew that Hiccup couldn't beat him up for hitting on her in a million years). "Now how do you unbuckle this?" indicating the saddle on the dragon.

"I think it's," Hiccup reached out to help with the strap, "—oh, wait, nevermind, you got it."

Astrid was disappointed; she was always one to seek a challenge, and this had been easier than she anticipated. Security was lacking around restricted areas, so they didn't even have to sneak around, even at this hour. She took the saddle in her hands and frowned. "Hiccup, do you want this to be easy?"

He'd never pulled a prank on anyone before, and he would've thought Astrid too…serious for those kinds of things. As if on cue, the Monstrous Nightmare threw its eyes open, but Hiccup quickly scratched the spot where it would go back to sleep. "Frankly, yes, I do—hey!" She threw the saddle at him, and he barely caught it before it clattered to the ground.

She mused with content. "That was for being no fun."

He gently put the saddle on the ground and both of them knelt next to it. Astrid had something in her hands—a vial, it looked like—but he didn't know what was inside. "Vikings aren't supposed to be fun," he tartly replied.

"Oh, shut up," she said, as a devious smile crept upon her face as she poured the contents of the vial onto Snotlout's saddle.

Boy was he in for a big surprise tomorrow morning.