Rector Drath vs Mother Superior

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rector Drath	Knight Revenant	Force	Support	Epic	Resist 55 Place: Doom tower
Mother Superior	The Sacred Order	Spirit	Support	Rare	Speed 13% Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Rector Drath	60	6	17010	1035	1134	109	15	50	30	0
Mother Superior	60	6	16350 -660	991 -44	947 -187	103 -6	15	50	30	0

Skills comparison

Rector Drath	Scepter of Authority Formula: 4*ATK Attacks 1 enemy. Has a 35% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Necro Mutation Formula: 0.2*HP Heals all allies by 20% of this Champion's MAX HP. After healing, places a [Perfect Veil] buff for 2 turns on all allies with full HP. Places a 15% [Continuous Heal] buff for 1 turn instead on all allies with less than 100% HP. Cooldown: 5 Continuous Heal 15% Perfect Veil	Spirit Form Formula: 0.6TRG_HP Formula: 0.6MAX_STAMINA Revives a single ally with 60% HP and fills their Turn Meter by 60%. Places a [Perfect Veil] buff on them for 3 turns. Cooldown: 6 Perfect Veil	Master of Ghosts [P] Formula: 0.1*TRG_HP Formula: 50 Whenever an ally under a [Veil] or [Perfect Veil] buff gets a turn, heals them by 10% of their MAX HP. Also increases the RES of allies under [Veil] or [Perfect Veil] buffs by 50. [Will only increase RES once per ally if there are multiple Rectors on the team.]
Mother Superior	Lightning Sanction Formula: 3.5*ATK Attacks 1 enemy. Has a 35% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Decrease ATK 25%	Fill With Blessing Formula: 0.3*HP Heals an ally by 30% of this Champion’s MAX HP. Places a [Shield] buff equal to any surplus heal for 2 turns if the target is fully healed by this Skill. Cooldown: 4 Shield	Brim With Life Places a 7.5% [Continuous Heal] buff on all allies for 2 turns. Places a [Shield] buff equal to 10% of the target’s HP on all allies for 2 turns If an ally’s HP is full. Cooldown: 5 Shield Continuous Heal 7.5%	-