Grunch Killjoy vs Polara Fireheart

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Grunch Killjoy	Ogryn Tribes	Force	Support	Epic	Defence 30% Place: Crypts
Polara Fireheart	The Sacred Order	Force	Attack	Mythical	Attack 40% Place: Arena

Stats comparison

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
Polara Fireheart	60	6	15195 -2805	1509 +540	1332 +198	104 +2	15	63 +13	30	0 -15

Skills comparison

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.	-
Polara Fireheart	Burning Zeal Formula: 4ATK+1.2DEF Formula: 4ATK+1.2DEF Attacks 1 enemy. Places an extra hit if the target is under any buffs or debuffs. Has a 25% chance of granting an Extra Turn.	Faithful Conflagration Formula: 1.8ATK+1.2DEF Formula: -0.25 Formula: 0.03REL_TRG_B_DEF Formula: 0.03REL_TRG_B_RES Formula: -0.75 Attacks 1 enemy 3 times. Each hit will ignore 25% of the target's DEF. Will ignore 50% of the target's DEF instead, if the target is under a [HP Burn] debuff or a [Freeze] debuff. Will ignore 100% of the target's DEF instead, if the target is under both debuffs. Each hit also destroys the target's DEF and RES by 3% (stacks up to 30%). Places a [HP Burn] debuff on all enemies for 2 turns. This debuff cannot be resisted. Cooldown: 4 HP Burn	Pyro Maxima Formula: 4ATK+1.2DEF Attacks all enemies. Before attacking, instantly detonates all stacks of any [HP Burn] debuff on the initial target, then places another [HP Burn] debuff on all enemies for 1 turn. This debuff cannot be resisted. This attack deals single-target damage to each target individually, rather than AoE damage. Will ignore [Shield], [Block Damage], and [Unkillable] buffs. Places a [Block Revive] debuff on targets that are killed while under a [HP Burn] debuff or a [Freeze] debuff. Grants an Extra Turn if this attack kills an enemy. Cooldown: 4 Block Revive HP Burn	Metamorph Formula: 1 Transforms this Champion into their Alternate Form. Then grants an Extra Turn. Cooldown: 4	Elemental Mistress [P] Formula: 0.50DMG_MUL Formula: 0.50DMG_MUL Formula: 1DMG_MUL Formula: -0.50DMG_MUL This Champion deals 50% more damage against enemies under a [HP Burn] debuff or a [Freeze] debuff, and receives 50% less damage from enemies under [HP Burn] debuffs. This Champion deals 100% more damage against enemies under both [HP Burn] and [Freeze] debuffs. This Champion ignores the damage reduction granted by [Freeze] debuffs. This Champion is immune to both [Freeze] and [HP Burn] debuffs.