Mistress of Hymns vs Wurlim Frostking

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mistress of Hymns	The Sacred Order	Spirit	Support	Epic	Defence 25% Place: All battles
Wurlim Frostking	Knight Revenant	Void	Defence	Legendary	Defence 33% Place: All battles

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mistress of Hymns	60	6	18990	1024	1013	103	15	50	30	0
Wurlim Frostking	60	6	19650 +660	1035 +11	1233 +220	100 -3	15	50	30	20 +20

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
Wurlim Frostking	Winds of Winter Formula: 4*DEF Attacks 1 enemy. Has a 30% chance of placing a [Freeze] debuff for 1 turn. This debuff cannot be resisted. Places a [Perfect Veil] buff on the ally with the lowest HP for 2 turns. Perfect Veil Veil Freeze	Frostbite Blast Formula: 4*DEF Attacks all enemies. Has a 70% chance of placing a 50% [Decrease ATK] debuff and a 50% [Decrease ACC] debuff for 2 turns. These debuffs cannot be resisted. Also places a 30% [Increase C. DMG] buff on all allies for 2 turns. Cooldown: 4 Decrease C. DMG Decrease ACC 50% Decrease ATK 50% Increase C. DMG	Icegrave Armor Places a 25% [Strengthen] buff and a 60% [Increase DEF] buff on all allies for 2 turns. Has a 60% chance of placing a [Freeze] debuff on all enemies for 1 turn. This debuff cannot be resisted. Cooldown: 5 Freeze Strengthen Increase DEF 60%