Mithrala Lifebane vs Crimson Helm

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Crimson Helm	Dark Elves	Spirit	Defence	Epic	HP 33% Place: Dungeons

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
Crimson Helm	60	6	15690 -4620	727 -143	1531 +177	85 -24	15	50	30	15 +5

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
Crimson Helm	Sucker Punch Formula: 2.7ATK+2DEF Attacks 1 enemy. Has a 30% chance of placing a 50% [Decrease ATK] debuff for 1 turn. Decrease ATK 50%	Vile Tongue Formula: 1.4*DEF Attacks 4 times at random. Each hit has a 75% chance of placing a [Provoke] debuff for 1 turn. Places a [Block Damage] buff on this Champion for 1 turn. Cooldown: 4 Block Damage Provoke	En Garde! Places a [Revive on Death] buff and a 60% [Increase DEF] buff on all allies for 2 turns. Cooldown: 6 Revive On Death Increase DEF 60%	-