Ripper vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Ripper	Skinwalkers	Force	Attack	Epic	Crit rate 19% Place: All battles Element: Force
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Ripper	60	6	16020	1299	936	96	15	60	30	0
Grunch Killjoy	60	6	18000 +1980	969 -330	1134 +198	102 +6	15	50 -10	30	15 +15

Ripper	Scar for Life Formula: 4ATK Formula: 0.3DEALT_DMG Attacks 1 enemy. Destroys their MAX HP by 30% of the damage inflicted.	No Quarter Formula: 3ATK+(1.5ATK*(1-TRG_HP_PERC)) Attacks 1 enemy 2 times. Damage increases as the target's HP decreases. Cooldown: 4	Heavy Slam Formula: 3.3ATK Formula: -0.5 Formula: 0.4DEALT_DMG Attacks 1 enemy. Will ignore 50% of the target's DEF. Destroys their MAX HP by 40% of the damage inflicted. Cooldown: 4	-
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.