The effects of this skill depends upon the deity you serve:

• Armeas: If Armeas judges you to be innocent the next 1d4 attacks will not harm you. He will make this judgment call on each target on the battlefield individually, friend or foe, by rolling a 1d6. Even = innocent, Odd = guilty.
• El Anon: for the next round all of your stats are doubled, including traits.
• Kymara: Any dead friends are revived, and all friends and self have their vitality restored by 1d12.
• Zodo: All of your attack spells have a 1d6 kill check roll (6=death) for 1d6 rounds. Also your spells cost half their stat cost during this time.
• Taal: All enemies are put to sleep.
• Magic: Double Runic Power for 1d6 rounds but Soul cost of all spells increased by 50%

You can only have one successful prayer use a day.