Vault Keeper Wixwell vs Polara Fireheart

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vault Keeper Wixwell	The Sacred Order	Force	Defence	Legendary	Defence 28% Place: All battles
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
Vault Keeper Wixwell	60	6	19650	771	1498	102	15	50	50	0
Polara Fireheart	60	6	15195 -4455	1509 +738	1332 -166	104 +2	15	63 +13	30 -20	0

Skills comparison

Vault Keeper Wixwell	Deadbolt Formula: 1.5*DEF Attacks 1 enemy 2 times. Each hit has a 40% chance of placing a [Provoke] debuff for 1 turn. If the target is a Boss, the chance increases to 80%. Provoke	Tempest of Knowledge Formula: 3.5DEF Formula: (REL_TRG_SHIELDS_SUM_VALUE0.03)*increasedTurnsCountByRelation Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Also increases the duration of all ally buffs by 1 turn. Then increases the value of all [Shield]s on all allies. The value of each [Shield] is increased proportional to the total number of buffs which had their duration increased. Cooldown: 4 Decrease ATK 50%	Codex Intercipio Places 2 [Intercept] stacks on a target ally. Also places a 60% [Increase DEF] buff and a [Shield] buff on all allies for 2 turns. The value of the [Shield] is proportional to this Champion's DEF. Cooldown: 5 Intercept Shield Increase DEF 60%	Isolated Lunacy [P] At the start of each Round, places a [Counterattack] buff on this Champion for 1 turn. This buff cannot be removed. At the end of this Champion’s turn, places a [Counterattack] buff on them for 1 turn. Counterattack	-
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.