The Shadow Mirror World Tris opened with the Deluminator was, in a sense, a special kind of shadow realm, so any spells he could use there naturally worked in the Shadow Realm as well.
In that brief instant when the Short-Snout opened its mouth to breathe fire, Tris had slipped away, grabbed the Golden Egg, and ducked into the Shadow Realm, teleporting thirty meters away just as he had at the Quidditch World Cup campsite.
The Short-Snout's flames could only reach ten meters ahead of it, so naturally, they could not so much as singe him.
The few who understood the subtleties of Shadow Magic and had exceptionally keen eyes had already grasped the trick. As for those who could not follow it-well, too bad. The world had never coddled amateurs.
"All right! Although I didn't quite see what happened, our champion Tris has successfully stolen the Golden Egg. Please wait a moment, everyone, while I fetch our second champion."
With that, Bagman jogged back to the tent where the champions had been waiting.
A member of staff led Tris up into the stands. From a distance, he spotted Ron waving at him. Beside Ron sat the Weasley family, along with Sirius and Remus.
The moment Tris reached them, Fred hooked an arm around his neck. "Not bad, my dear little brother! You stunned everyone with that trick! That's my brother for you."
"Fred, let your brother go." Molly smacked Fred on the back of the head, then pulled Tris out of his arms and drew him close to inspect him.
"You're not hurt, are you? The dragon's fire didn't hit you?"
"I'm fine. Not a single spark landed on me," Tris said with a grin.
"Hey, Tris, I was jealous of you and Harry becoming champions at first," Ron