Grunch Killjoy vs Big 'Un

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts
Big 'Un	Ogryn Tribes	Magic	Attack	Legendary	Accuracy 90 Place: Dungeons

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
Big 'Un	60	6	17505 -495	1575 +606	837 -297	104 +2	15	63 +13	30	10 -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.
Big 'Un	Head Splitter Formula: 2.5ATK Formula: 2.5ATK Attacks 1 enemy. Attacks all enemies 1 time if the first attack is critical.	Forward Charge Formula: 3.6*ATK Attacks all enemies. Has a 30% chance of placing a [Stun] debuff for 1 turn. Also has a 50% chance of placing a 50% [Decrease ACC] debuff for 2 turns. Cooldown: 3 Stun Decrease ACC 50%	Molten Slag Formula: 1.9ATK Formula: 0.25MAX_STAMINA Attacks all enemies 2 times. Decreases the Turn Meter by 25%. Has a 30% chance of placing a 30% [Decrease SPD] debuff for 2 turns. Cooldown: 7 Decrease SPD 30%	-