[ It... kinda looks like a door. Like one of those cellar doors on the side of houses that lead down to some protective bomb shelter but all Kido can think of is how the dungeon at the school just kept leading them down and down and down. ]

Why couldn't it have been normal keys? At least those we could pick open... But let's see what we can do about this.

[ Nekogami comes out, fur over his shoulders bristling, and blasts the door with dream needles. None of them make a dent, and some of them bounce back toward them. Haha. ]