Keystone Trap

Stealth

+17 (expert)

Disable

DC 24 Thievery (trained) to find and press hidden knobs in a specific order (three successes are required to disable the trap, which also opens it); DC 24 Crafting (expert) to sabotage the vault's mechanisms, reducing its actions by 1 (when the trap's actions are reduced to 0, it is disabled)

AC 25, Fort +18, Ref +12

Keystone Hardness

12

Keystone HP

60 (BT 30); Vault Hardness 10; Vault HP 50 (BT 25)

Immunities

critical hits, object immunities, precision damage

Exposed Vault [Reaction]

Routine

(3 actions) The keystone uses its 3 actions to Electrify, Spin, and then Launch Darts. When the trap loses an action, roll randomly to determine which action it loses.

Electrify [Single Action] The metal vault crackles with electricity.