Rector Drath vs Theurgist

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rector Drath	Knight Revenant	Force	Support	Epic	Resist 55 Place: Doom tower
Theurgist	Knight Revenant	Magic	Support	Rare	Resist 30 Place: Crypts

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
Theurgist	60	6	18495 +1485	947 -88	848 -286	103 -6	15	50	30	0

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.]
Theurgist	Ice Debris Formula: 2.9ATK Formula: 0.1MAX_STAMINA Attacks 1 enemy. Fills the Turn Meter for a random ally by 10%.	Touch of Sealing Formula: 4.1*ATK Attacks 1 enemy. Has a 75% chance of placing a [Block Buffs] debuff for 1 turn. Cooldown: 4 Block Buffs	Uplift Places a 30% [Increase DEF] buff and a 25% [Increase ATK] buff on all allies for 2 turns. Cooldown: 5 Increase ATK 25% Increase DEF 30%	-