Dagger of Red Chaos

The Dagger of Red Chaos is a +2 magic dagger that was first found in the Mistwalker manor. Since it was found it has been wielded by Patience until his death in the underdark. It was held by Aglig until Piety Xymorson joined the party.

Description
You have a +2 bonus to Attack and Damage Rolls made with this weapon. On a hit this weapons deals an additional d4 force damage. On a critical hit the weapon crackles with red energy and deals an additional d20 force damage. On a critical failure the dagger deals the d20 force damage to the wielder. If a creature is killed by the critical force damage its soul becomes trapped in the dagger.