Wretch vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Wretch	Undead Hordes	Force	Attack	Rare	Attack 30% 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
Wretch	60	6	13215	1432	716	97	15	57	30	0
Grunch Killjoy	60	6	18000 +4785	969 -463	1134 +418	102 +5	15	50 -7	30	15 +15

Wretch	Crypt Touch Formula: 1.5*ATK Attacks 1 enemy 2 times. Has a 20% chance of placing a 50% [Heal Reduction] debuff for 2 turns. Heal Reduction 50%	Lifeleech Formula: 5ATK Formula: 0.15DEALT_DMG Attacks 1 enemy. Heals this Champion by 15% of damage inflicted. Cooldown: 4	Gravefire Formula: 4.9*ATK Attacks 1 enemy. Places a [HP Burn] debuff for 2 turns. Cooldown: 4 HP Burn	-
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.