"Come on - we can try the illusion trap together. If there is not a door on the other side, then we can deal with it when the time comes," Vershab says, walking out of the room and turning toward the fearful face. Once there he casts Detect Magic and begins a (somewhat academic) explanation of the lines of power woven into the enchantment. The value of such discussion may be lost on the young rogue, but the scholar does his best to provide some support for the efforts to disable the trap.