Level 4 Obstacle
Thin, shimmering glass strands interlace into an intricate, beautiful web.Trap: The crystalline web stretches between two surfaces, creating a 4-by-4-square barrier.Perception DC 14: The character notices the crystalline web.
Special: If the web is in dim light, characters take a -5 penalty to Perception checks.TriggerWhen a creature enters one of the web’s squares, the trap attacks.AttackOpportunity Action Melee
Target: The triggering creatureAttack: +7 vs. ReflexHit: 2d6 + 4 damage, and ongoing 5 damage (save ends). The target returns to the last square it occupied, and its move ends.Miss: The target returns to the last square it occupied, and its move ends.Countermeasures Acrobatics DC 14: A character can move through a square containing a web by spending a move action to make an Acrobatics check. On a failed check, the trap makes an attack.
A character can attack the web (AC 18, other defenses 16; hp 25; vulnerable 10 thunder). When it is reduced to 0 hit points, the web is destroyed.
Published in Dark Sun Creature Catalog, page(s) 91, Marauders of the Dune Sea, page(s) 7.