Mithrala Lifebane vs Rotos the Lost Groom

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Rotos the Lost Groom	Undead Hordes	Magic	Attack	Legendary	-

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mithrala Lifebane	60	6	20310	870	1354	109	15	50	30	10
Rotos the Lost Groom	60	6	11895 -8415	1520 +650	1266 -88	90 -19	15	63 +13	40 +10	0 -10

Skills comparison

Mithrala Lifebane	Libation of Pain Formula: 2*DEF Attacks 2 times at random. Each hit has an 80% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Sigil of Toxic Glory Formula: 4*DEF Attacks all enemies. Places a [Hex] debuff for 2 turns. Also places a 60% [Increase DEF] buff and a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 5 Increase ATK 50% Increase DEF 60% Hex	Brimming Cylix Removes all debuffs from all allies, then places a 25% [Strengthen] buff and a [Shield] buff equal to 30% of this Champion’s MAX HP on all allies for 2 turns. Cooldown: 5 Shield Strengthen	Gaze of Stone [P] Formula: 1*ACC Whenever this Champion is attacked by an enemy under a [Hex] debuff, has a 50% chance of applying a [Petrification] debuff on the attacker for 1 turn. Whenever an ally is attacked by an enemy under a [Hex] debuff, has a 30% chance of applying a [Petrification] debuff on the attacker for 1 turn. Also increases this Champion’s RES. The amount by which it is increased is equal to the amount of ACC this Champion has. Petrification
Rotos the Lost Groom	Terror Scourge Formula: 1.9ATK+0.19HP Attacks 1 enemy. Has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Also has a 25% chance of granting an Extra Turn. Decrease DEF 60%	Vitality Plunder Formula: 3.5ATK+0.3HP Formula: 0.2TRG_B_HP Formula: destroyedHpBySkillCurrentRound+hitsOnBossBySkillCurrentRoundCount15000 Formula: 0.3*DEALT_DMG Attacks 1 enemy. Destroys the target's MAX HP by 20%, then adds that HP to this Champion's own MAX HP. [Cannot destroy a single Champion's MAX HP by more than 60% in one Battle. Cannot increase this Champion's MAX HP by more than 60,000. Destroys the MAX HP of Bosses by 30% of the damage inflicted instead. This Champion's MAX HP will be increased by 15,000 when this Skill is used against Bosses.] Cooldown: 3	Fated Destruction Formula: 2.1ATK+0.19HP Attacks 1 enemy. Will ignore 60% of the target's DEF. Will also ignore [Unkillable] and [Block Damage] buffs. Enemies killed by this skill cannot be revived if this Champion has gained maximum amount of HP from the Vitality Plunder skill. Grants an Extra Turn if this skill kills an enemy. Cooldown: 4 Block Revive	Spurn Oblivion [P] Formula: -(DEALT_DMG-0.5HP) Formula: -0.15DMG_MUL Formula: -0.3*DMG_MUL Will decrease damage from enemy hits so that incoming damage from any single hit will not exceed 50% of this Сhampion's MAX HP. Grants an Extra Turn if this damage reduction occurs. [Does not work against Bosses.] Decreases the damage taken from Bosses by 15%. Decreases the damage taken from Bosses by 30% if Siphi the Lost Bride is on the same team.