The triangle sinks down into the linoleum floor, and slowly lines form in a square around it, about the size of the pot the destroyed plant had been in. As the square separates from the rest of the floor, is sinks down, widens, and becomes a shallow slope leading down a corridor underground, flickering orange light suggesting torches.

The rumbling of the shifting floor causes concrete dust to fall from the ceiling above them.

"Gee," Dinah says, heading down the slope quickly, "I guess I should have just caused a cave in on us earlier, huh?"