Level 8 TrapXP -
Detect automaticInitiative -
Trigger: A creature enters a square containing caltrops.
Attack: Melee 1 (triggering creature); +13 vs. AC
Hit: 2d8 + 7 damage, and the target is slowed (save ends).
Avoid: A creature can automatically avoid a square of caltrops by spending 2 squares of movement to enter it.
Published in Madness at Gardmore Abbey, page(s) 4-27.