No explosions at all, small blessings. If the cage that promptly closes about the decoy hand wasn't concerning enough, though, the door slamming shut behind them of its own volition sure is somewhat alarming.

With the reflexive swiftness of a soldier's training, Jade is immediately turning towards the doorway in a half-step, casual posture squaring; his right arm is lifting defensively even before a full-sized spear promptly materializes in his hand with a crackle of fonons. Fully expectanting something threatening to drop into the room at any moment, really--for surely that would be the most likely reason for them to suddenly be shut in here, wouldn't it?