Blessings: A guild level 4 Temple skill. You will need a trait (Cabalist), which is a guild level 4 Temple trait. Yes, the skill is REALLY WORTH IT
Enchants: A guild level 4 Mage's Guild skill. You will need a trait (Occultist), which is a guild level 4 Mage's Guild trait. The skill is usefull even if it cannot match the Blessings skill.