Grunch Killjoy vs Coldheart

Overall comparison

HERO	Fraction	Element	Type	Rarity
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic
Coldheart	Dark Elves	Void	Attack	Rare

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Grunch Killjoy	60	6	18000	969	1134	102	15	50	30	15
Coldheart	60	6	13710 -4290	1376 +407	738 -396	94 -8	15	57 +7	30	0 -15

Grunch Killjoy	Mace of Foulness Formula: 3.6*ATK Attacks 1 enemy. Has a 40% chance of placing a [Block Buffs] debuff for 1 turn. Block Buffs	Kindle Soulfire Formula: 4.2*ATK Attacks all enemies. Has a 50% chance of placing a [Bomb] debuff that detonates after 1 turn. Cooldown: 5 Bomb	Hex Eater Formula: REL_TRG_DEBUFF_COUNT-1 Removes all debuffs from all allies, then places one 15% [Continuous Heal] buff for 1 turn on each ally for every debuff removed from them. Cooldown: 6 Continuous Heal 15%	Madcap [P] Formula: 0.1*MAX_STAMINA Fills the Turn Meters of all allies by 10% whenever a [Bomb] debuff detonates on an enemy.
Coldheart	Flurry of Arrows Formula: 0.7*ATK Attacks 4 times at random. Each hit has a 25% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Heal Reduction 100%	Art of Pain Formula: 3.3*ATK Attacks all enemies. Has a 30% chance of placing a 50% [Decrease ACC] debuff for 1 turn. Places a 5% [Poison] debuff for 2 turns if the target is under a [Heal Reduction] debuff. Cooldown: 4 Decrease ACC 50% Poison 5%	Heartseeker Formula: TRG_HP0.1+ATK1.7 Formula: MAX_STAMINA Attacks 1 enemy. Decreases the target's Turn Meter by 100%. Has an extra 30% chance of inflicting a critical hit. Damage increases according to enemy MAX HP. Cooldown: 5	-