Pain Keeper vs Cupidus

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Cupidus	The Sacred Order	Spirit	Attack	Legendary	Attack 33% Place: All battles

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
Cupidus	60	6	18825 -495	1520 +551	804 +33	107 +5	15	63 +13	30 -10	10 +10

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	-
Cupidus	Heartbreaker Formula: 2.5ATK Formula: 0.15DMG_MUL Attacks all enemies. Damage increases by 15% if the target has any debuffs.	Flames of Passion Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 4 HP Burn	Flameout Formula: 6.6*ATK Places a 50% [Increase ATK] buff on this Champion for 2 turns, then attacks 1 enemy. Has a 50% chance of placing a [HP Burn] debuff on all enemies for 2 turns if this attack kills an enemy. This debuff cannot be resisted. Cooldown: 4 Increase ATK 50% HP Burn	Punishing Partner [P] Formula: 0.25*DMG_MUL Attacks inflict 25% more damage. Always counterattacks when attacked. [Only available when Venus is on the same team.]