Wyvernbane vs Grunch Killjoy

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Wyvernbane	Orcs	Spirit	Attack	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
Wyvernbane	60	6	12555	1288	903	94	15	57	30	0
Grunch Killjoy	60	6	18000 +5445	969 -319	1134 +231	102 +8	15	50 -7	30	15 +15

Wyvernbane	Hobble Pierce Formula: 3.2*ATK Attacks 1 enemy. Has a 20% chance of placing a 15% [Decrease SPD] debuff for 2 turns. Decrease SPD 15%	Setback Formula: 5.9ATK Formula: 0.2MAX_STAMINA Attacks 1 enemy. Has a 35% chance of decreasing the target's Turn Meter by 20%. Cooldown: 4	Cursefire Spear Formula: 6.1*ATK Attacks 1 enemy. Has a 75% chance of placing a [HP Burn] debuff for 2 turns. Cooldown: 5 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.