Dungeon?

A red stripe, a mask, and a loot bag leap from one of the crumbling pillars, through the air, into the Heat Wave, is pegged by the aura sphere, and vanishes behind a pillar.

Kate sees enough to see where he went, and fires her cone of electricity in that direction. It's a bit late, and the electricity doesn't go around the pillar, but he's going to have trouble leaving that pillar now.