Geargrinder vs Pain Keeper

Overall comparison

HERO	Fraction	Element	Type	Rarity
Geargrinder	Ogryn Tribes	Void	HP	Rare
Pain Keeper	Dark Elves	Void	HP	Rare

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Geargrinder	60	6	19320	826	914	95	15	50	40	0
Pain Keeper	60	6	19320	969 +143	771 -143	102 +7	15	50	40	0

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
Pain Keeper	Unflagging Advance Formula: DEF+ATK Formula: 0.1*MAX_STAMINA Attacks 1 enemy 2 times. Fills this Champion's Turn Meter by 10%.	Spectacular Sweep Formula: 0.12HP+2ATK Formula: 0.15*HP Attacks all enemies, then heals all allies by 15% of this Champion's MAX HP. Cooldown: 5	Combat Tactics Decreases the cooldowns of all ally skills by 1 turn. Cooldown: 7