Shamrock vs Pain Keeper

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Shamrock	Ogryn Tribes	Spirit	Support	Legendary	Accuracy 70 Place: All battles
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Shamrock	60	6	20805	1002	1189	111	15	50	40	0
Pain Keeper	60	6	19320 -1485	969 -33	771 -418	102 -9	15	50	40	0

Shamrock	Luck Swap Formula: 2*ATK Formula: 0 Attacks 1 enemy 2 times. Each hit has a 60% chance of removing 1 random buff from the target. If a buff is removed, has a 35% chance of stealing that buff.	Lucky Charms Places a 60% [Increase DEF] buff on all allies for 2 turns. Places a 30% [Increase SPD] buff on all allies with more than 50% HP for 2 turns. Also has a 50% chance of placing a 30% [Increase C. RATE] buff on those allies for 2 turns. Places a [Revive On Death] buff on all allies with less than 50% HP for 2 turns. Also has a 50% chance of placing a 15% [Continuous Heal] buff on those allies for 2 turns. Cooldown: 4 Revive On Death Block Debuffs Continuous Heal 15% Increase DEF 60% Increase SPD 30% Increase C. RATE 30%	Uncatchable Formula: 0.15MAX_STAMINA Formula: 0.15MAX_STAMINA Places a 30% [Decrease SPD] debuff on all enemies for 2 turns. Decreases the Turn Meter of all enemies by 15%. Fills the Turn Meters of all allies by 15% if any enemy's Turn Meter is below 50%. Cooldown: 5 Decrease SPD 30%
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