Advanced Excorcism is a Cleric skill that gives Exorcism the chance to immediately kill the undead creatures. This can be upgraded 4 times.
1/4 : Give Exorcism a 3% chance of killing undead targets.
2/4 : Give Exorcism a 6% chance of killing undead targets.
3/4 : Give Exorcism a 9% chance of killing undead targets.
4/4 : Give Exorcism a 12% chance of killing undead targets.