Rector Drath vs Varl the Destroyer

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Rector Drath	Knight Revenant	Force	Support	Epic	Resist 55 Place: Doom tower
Varl the Destroyer	Orcs	Spirit	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
Varl the Destroyer	60	6	15030 -1980	1476 +441	1101 -33	98 -11	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.]
Varl the Destroyer	Ravaging Leech Formula: 3.8ATK Formula: 0.3DEALT_DMG Attacks 1 enemy. Heals this Champion by 30% of the damage inflicted.	Lay Waste Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 25% [Weaken] debuff for 2 turns. Also places a 50% [Decrease ATK] debuff for 2 turns on those enemies who receive a [Weaken] debuff. Cooldown: 4 Weaken 25% Decrease ATK 50%	Calamity Torrent Formula: 5.6ATK Formula: 0.5DEALT_DMG Attacks 1 enemy. Will ignore 30% of the target’s DEF. Destroys the target’s MAX HP by 50% of the damage inflicted. Places a [Block Damage] buff on this Champion for 1 turn if this attack kills an enemy. Cooldown: 5 Block Damage	Mass Murder [P] Formula: 0.1B_ATKCOOLDOWNABLE_SKILLS_USED_COUNT_CURRENT_ROUND Increases this Champion’s ATK by 10% each time they use an Active Skill (stacks up to 100%). Resets each round.