Rector Drath vs Zavia

Overall comparison

HERO	Fraction	Element	Type	Rarity
Rector Drath	Knight Revenant	Force	Support	Epic
Zavia	Dark Elves	Force	Attack	Legendary

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
Zavia	60	6	18660 +1650	1586 +551	749 -385	105 -4	15	63 +13	30	10 +10

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.]
Zavia	Transfix Formula: 1.1*ATK Attacks 1 enemy 3 times. Each hit has a 40% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Poison Rain Formula: 2*ATK Attacks all enemies 2 times. Each hit has a 50% chance of placing a 5% [Poison] debuff for 2 turns. Cooldown: 3 Poison 5%	Deadly Catalyst Formula: 4.1*ATK Attacks all enemies. Instantly activates all [Poison] debuffs on all enemies. Enemies killed by this skill cannot be revived. Cooldown: 4 Block Revive	Calamitous Partner Formula: 4*ATK Attacks 1 enemy. Applies a [Debuff Spread] effect, taking 4 random debuffs from the target and placing them on all enemies. [Only available when Belanor is on the same team.] Cooldown: 5