Obsidian Facade
Hazard
Level (Level) Obstacle
XP varies

These facades are covered in sharpened pieces of obsidian that gather heat when the temperature climbs, cutting and burning anyone who brushes against them.

Hazard: Arena masters arrange tall, black pillars around the arena floor. Like the walls, the pillars bristle with jagged obsidian points that can cut when they are touched.Perception     No check is necessary to notice the obsidian facades.TriggerA creature enters a square adjacent to a pillar or a wall.AttackOpportunity Action      Melee 1
Target: The triggering creatureAttack: Level + 3 vs. ReflexHit: The target takes 2d4 damage per tier plus 2d4 fire damage per tier.Countermeasures     Acrobatics DC : A character can move to a square adjacent to the hazard without triggering its opportunity attack by succeeding on an Acrobatics check (moderate DC).

Published in Dark Sun Creature Catalog, page(s) 139.