Grandmaster vs Pain Keeper

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grandmaster	Banner Lords	Magic	HP	Rare	HP 17% Place: All battles Element: Magic
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grandmaster	60	6	16185	892	1057	100	15	50	40	0
Pain Keeper	60	6	19320 +3135	969 +77	771 -286	102 +2	15	50	40	0

Grandmaster	Hammerblows Formula: 1.5*ATK Attacks 1 enemy 3 times.	Steel Crusher Formula: 7.5*ATK Attacks 1 enemy. Has a 40% chance of placing a 25% [Decrease ATK] debuff on the target for 2 turns. Cooldown: 4 Decrease ATK 25%	Demoralizing Display Formula: 7.4*ATK Attacks 1 enemy. Has a 50% chance of placing a [Provoke] debuff on the target for 1 turn. Cooldown: 4 Provoke
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