Eviscerator vs Pain Keeper

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Eviscerator	Dark Elves	Void	Attack	Rare	Crit rate 16% Place: Arena
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Eviscerator	60	6	12060	1409	815	95	15	57	30	0
Pain Keeper	60	6	19320 +7260	969 -440	771 -44	102 +7	15	50 -7	40 +10	0

Eviscerator	Bleed Dry Formula: ATK*1.5 Attacks 1 enemy 2 times. Has an extra 15% chance of inflicting a critical hit. Has a 50% chance of placing a 2.5% [Poison] debuff for 2 turns If this attack is critical. Poison 2.5%	Lethal Confusion Formula: ATK*3.5 Attacks all enemies. Has a 50% chance of placing a 30% [Decrease DEF] debuff for 2 turns. Cooldown: 4 Decrease DEF 30%	Suppression [P] Attacks an enemy Champion with the default Skill whenever they are healed or receive a Buff. Attacks one random enemy if multiple enemies are healed or receive a Buff at the same time. Cooldown: 1
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. This skill can have its cooldown reduced by other skills that reduce cooldowns by 1 turn. Cooldown: 7