Pain Keeper vs Branch-arm Lasair

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Branch-arm Lasair	Sylvan Watchers	Void	HP	Rare	HP 15% Place: Dungeons

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
Branch-arm Lasair	60	6	17340 -1980	892 -77	980 +209	95 -7	15	50	40	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
Branch-arm Lasair	Chop, Chop, Chop Formula: 0.08HP Formula: 0.03HP Attacks 1 enemy 3 times. Each hit heals this Champion by 3% of their MAX HP.	Logger's Bane Formula: 0.13*HP Attacks all enemies 2 times. Each hit has a 50% chance of placing a 25% [Decrease ATK] debuff for 2 turns. Also places a [Shield] buff on all allies, equal to 20% of this Champion's MAX HP, for 2 turns. Cooldown: 4 Decrease ATK 25% Shield	Rootroar Places a 15% [Strengthen] buff on all allies for 2 turns. Also places a [Provoke] debuff on an enemy for 1 turn. Cooldown: 6 Strengthen Provoke