Level 4 TrapXP 200
Detect automaticInitiative —
Trigger: A creature enters one of the pit’s four squares.
Attack (No Action): Melee 1 (triggering creature); +9 vs. Reflex
Hit: The target falls 10 feet to the bottom of the spiked pit, takes 3d10 + 6 damage, and falls prone.
Miss: The target returns to the last square it occupied, and its movement ends immediately.
Escape: Athletics DC 15 (move action). Success: The character can climb out of the pit.
Published in Dungeon Magazine 211.