Pendulum Pit

Stealth

+36 (Legendary) to realize the chamber is a complex rotating trap before it triggers. No check is necessary to notice the platforms and the pit.

Disable

DC 48 Arcana (legendary), DC 44 Thievery (master), or dispel magic (9th level; counteract DC 44) on a platform to deactivate its pendulum blade; once all five platforms have been deactivated, the trap is disabled and the room rotates back into position along the exits. DC 48 Thievery (legendary) from any blocked exit to activate the rotating mechanism and rotate the room back into position before the trap has been disabled.

Locking Room [Reaction]