Guthallath Rockslide

Stealth

+30 (master) to notice the odd aging of the stones, seemingly far older and more weathered than the surrounding rocks

Disable

DC 48 Crafting (legendary) to buttress the collapsing rocks in three different locations. Using large and durable materials (or applicable spells) to support the rocks reduces the check to DC 45 Crafting (master).

AC 42, Fort +35, Ref +29

Hardness

20

HP

150

Immunities

critical hits, object immunities, precision damage

Rumbling Rocks [Reaction]

Routine

(2 actions) On the hazard's first action, any areas of crumbling rocks from a previous round collapse, making a falling rocks Strike against each creature in the area. On its second action, the hazard crumbles rocks in a 20- foot radius around the previous collapse.