Why is everyone naked?

"Shit, shit, shit!" Kalos walked from side to side in the Pegasus hall now brimming with hybrids, anxiously biting his nails trying to find a way to avoid facing the consequences of his actions, only managing to revive flashes of what transpired during the night crawl into his mind.

"Did you see him fight?" A short hybrid mixed in the crowd asked.

"Barely, he moved too fast." Another replied. The murmurs spreaded like wild fire, each reminding Kalos of his failed attempt to get Uriel killed. He knew there was a possibility that he might survive since he did manage to give him a black eye with his bare fist, but he expected Uriel to do so while running away, not by jumping directly into the maws of the creatures of the night without backup.