Seal of Martyrdom - WoW Classic SoD

Seal of Martyrdom is a Paladin rune for chest armor. It is learned from Rune of Martyrdom.
4% of base mana
Instant
Fills you with holy spirit for 30 sec, causing each of your melee attacks to deal 30% weapon damage to your target, but you lose health equal to 10% of the damage inflicted. While this seal is active, your party and raid members within 40 yards each gain mana equal to 10% of damage you take from this seal.

Unleashing this Seal's energy will judge an enemy, instantly causing 70% weapon damage at the cost of health equal to 10% of the damage inflicted.