Vault Keeper Wixwell vs Mistress of Hymns

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Vault Keeper Wixwell	The Sacred Order	Force	Defence	Legendary	Defence 28% Place: All battles
Mistress of Hymns	The Sacred Order	Spirit	Support	Epic	Defence 25% Place: All battles

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
Mistress of Hymns	60	6	18990 -660	1024 +253	1013 -485	103 +1	15	50	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
Mistress of Hymns	Bolstering Blow Formula: 4ATK Formula: 0.15DEALT_DMG Attacks 1 enemy. Heals the ally with the lowest HP by 15% of the damage inflicted.	Song of Triumph Formula: 5.7*ATK Attacks 1 enemy. Places a 15% [Continuous Heal] buff on the 2 allies with the lowest HP for 2 turns if this attack is critical. Cooldown: 4 Continuous Heal 15%	Hymn of Rebirth Formula: 0.5*TRG_HP Revives 2 random allies with 50% HP and places a [Veil] buff on them for 1 turn. Cooldown: 6 Veil	-