A Sacrosanctum knows the three Blessings listed below. Blessings are innate bound spells (power level 5). For each friendly Sacrosanctum on the battlefield at the start of your magic phase, add 1 dice to your power pool.
Shield of Faith: Shield of Faith is an augment spell that affects all friendly units with the Blessing of the Lady special rule within 12". Until the start of your next turn, the targets have their Ward save from the Blessing of the Lady increased by +1.
Radiant Light: Radiant Light is a hex spell that affects all enemy units within 12". Until the start of your next turn, the targets suffer -1 to their Weapon Skill and Ballistic Skill.
Renewed Valour: Renewed Valour is an augment spell that affects all friendly units with the Blessing of the Lady special rule within 12". All friendly Knights within 12" will rally automatically (if they were fleeing) and regain the Blessing of the Lady (if they have lost it).