Mithrala Lifebane vs Geargrinder

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Geargrinder	Ogryn Tribes	Void	HP	Rare	HP 25% Place: Crypts

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
Geargrinder	60	6	19320 -990	826 -44	914 -440	95 -14	15	50	40 +10	0 -10

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
Geargrinder	Gears of Gore Formula: 0.15*HP Attacks 1 enemy. Places a 7.5% [Continuous Heal] buff on this Champion for 1 turn if this attack is critical. Continuous Heal 7.5%	Healing Splatter Formula: 0.15*TRG_HP Heals all allies by 15% of their MAX HP. Cooldown: 5	Necrocogs Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives a dead ally with 50% HP and 50% Turn Meter. Cooldown: 7	-