A bit of water runs into a pile of leaves.
Type: magical; Perception DC 24; Disable Device 19
Trigger Touch; Reset None
The pile of leaves covers a large grate, and the water drains into it, down into what looks like a cave or sewer, big enough to climb down and explore. However, if the grate is removed, it unleashes a blast of energy. Spell Drain(DC 22 Will Save or randomly lose 1d4+1 levels of spell slots); multiple targets (all targets within 30')