Desert Glass
Hazard
Level 17 Obstacle
XP 1600

The superheated temperatures caused by volcanic activity or potent magic can fuse sand into planes of slippery glass. These sharp, broken surfaces slice flesh with ease.

Hazard: Desert glass covers 20 contiguous squares. The squares in this nearly frictionless area are difficult terrain.Perception     No check is necessary to notice that certain portions of the area contain broken, glasslike surfaces.Nature     DC 20: The character identifies the squares of desert glass.Trigger 1A creature starts its turn in a square of desert glass, stands up in a square of desert glass, or enters such a square.AttackOpportunity Action      Melee
Target: The triggering creatureAttack: +20 vs. ReflexHit: 2d6 + 7 damage, and the target falls prone and takes ongoing 10 damage (save ends). If the target is already prone, it is instead dazed until the end of its next turn.Trigger 2When one or more squares of the hazard are included within a blast or a burst that has the cold, force, or thunder keyword, the hazard makes the following attack.Secondary AttackFree Action      Close burst 1 centered on the triggering square or squares
Target: Each creature in burstAttack: +20 vs. ReflexHit: 2d6 + 7 damage, and ongoing 10 damage (save ends).Effect: The desert glass is eliminated from the triggering square or squares.Countermeasures     A square of desert glass has AC 25, Fortitude 25, Reflex 25, hp 18. If a square of desert glass is reduced to 0 hit points, the hazard is eliminated from that square.

Published in Dark Sun Creature Catalog, page(s) 141.