Pain Keeper vs Spiritwalker

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Spiritwalker	Barbarians	Force	Support	Uncommon	-

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
Spiritwalker	60	6	10740 -8580	1288 +319	749 -22	90 -12	15	50	30 -10	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
Spiritwalker	Cripple Formula: 1.4*ATK Attacks 1 enemy 2 times. Each hit has a 20% chance of placing a 25% [Decrease ATK] debuff on the target for 2 turns. Decrease ATK 25%	Battle Trance Removes all debuffs from this Champion. Places a 25% [Increase ATK] buff on all allies for 2 turns. Cooldown: 4 Increase ATK 25%	-