Pain Keeper vs Bergoth the Malformed

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Bergoth the Malformed	Knight Revenant	Spirit	HP	Epic	-

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Pain Keeper	60	6	19320	969	771	102	15	50	40	0
Bergoth the Malformed	60	6	21810 +2490	716 -253	1134 +363	95 -7	15	50	45 +5	0

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
Bergoth the Malformed	Nightmare Juggernaut Formula: 0.2*HP Attacks 1 enemy. Has a 50% chance of placing a 15% [Continuous Heal] buff on this Champion for 1 turn if this attack is critical. Continuous Heal 15%	Chemical Stench Formula: 0.2*HP Attacks all enemies. Has a 30% chance of placing a [Provoke] debuff for 2 turns. Cooldown: 5 Provoke	Canister [P] Formula: 0.2*DEALT_DMG Whenever this Champion is attacked, heals all allies except this Champion by 20% of the damage received.