Aegis of Poison

With the power of Uyor, the casting hidden sorcerer wraps himself in a shield of magic. For the next day after casting the shield, the wizard is protected from the first strike against him. When the aegis is broken, a poisonous cloud appears, bringing pain and agony to the attacker.

Casting Time: 15 minutes
Range: self
Duration: 12 hours
Saving Throw: CON DC 14
Effect: The caster conjures an invisible magic shield around him, blocking the next attack against him. If the aegis is broken, a poisonous cloud hurls at the enemy, dealing 1d8 poison damage and forcing a saving throw to not feel endless agony for 2 minutes.