Collapsing Cell

Trigger A Medium or larger creature moves through the cell at a faster pace than simply Stepping, or more than one Medium or larger creature enter the cell at the same time --- Effect The ceiling and walls of the cell collapse, creating a thunderous roar. All creatures in the cell must attempt a DC 25 reflex save; the cell then becomes greater difficult terrain that can be passed through safely. --- Critical Success The creature is unaffected. Success The creature takes (1d10+6) bludgeoning damage. Failure The creature takes (2d10+13) bludgeoning damage and is Immobilized by fallen rubble (Escape). Critical Failure The creature is buried in the rubble. They take (3d10+19) bludgeoning damage and are Restrained (Escape). Until they escape, the creature must hold their breath or risk suffocating. Effect: Remaining Air