Level 15 Lurker
XP 1200

Geological instability triggers an earthquake that shakes the entire island.

Hazard: Every 10 minutes, check to see if this unstable island is jostled by an earthquake.Perception     No check is necessary to notice the quake.Nature     DC 10: The character notices that the entire island is unstable.Initiative +7TriggerThe trigger for a quake is random and has a 10% chance of occurring every 10 minutes that the PCs are on the island. When triggered, a quake rolls initiative. After the trigger and before the quake’s attack, characters in the area know that an earthquake is beginning. On its turn, the quake attacks all creatures standing on the ground.AttackStandard Action      Area island
Targets Creatures in the areaAttack: +15 vs. ReflexHit: 1d10 + 10 damage, and the target is knocked prone.Miss: Half damage, and the target is not knocked prone.Special At the end of its turn, roll a saving throw for the quake. On a success, the quake continues for another round. If the saving throw fails, the quake stops.Countermeasures     Nature DC 23: A successful check and a standard action allow a creature to find a way to brace itself, gaining a +4 bonus to Reflex defense against the quake’s attacks.
     The quake does not attack flying creatures.

Published in Draconomicon: Chromatic Dragons, page(s) 135.