Coffin Smasher vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Coffin Smasher	Knight Revenant	Magic	HP	Rare	-
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Coffin Smasher	60	6	21135	683	936	92	15	50	40	0
Grunch Killjoy	60	6	18000 -3135	969 +286	1134 +198	102 +10	15	50	30 -10	15 +15

Coffin Smasher	Mallet Crescendo Formula: 0.06*HP Attacks 1 enemy 3 times. Each hit has a 15% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Tombfire Formula: 0.22*HP Attacks 1 enemy. Has a 50% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 4 HP Burn	Gloom Mist [P] Formula: -0.05*DMG_MUL Decreases the damage enemies inflict with AoE attacks by 5%.	-
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.