Mistress of Hymns vs Coldheart

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mistress of Hymns	The Sacred Order	Spirit	Support	Epic	Defence 25% Place: All battles
Coldheart	Dark Elves	Void	Attack	Rare	-

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
Coldheart	60	6	13710 -5280	1376 +352	738 -275	94 -9	15	57 +7	30	0

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
Coldheart	Flurry of Arrows Formula: 0.7*ATK Attacks 4 times at random. Each hit has a 25% chance of placing a 100% [Heal Reduction] debuff for 2 turns. Heal Reduction 100%	Art of Pain Formula: 3.3*ATK Attacks all enemies. Has a 30% chance of placing a 50% [Decrease ACC] debuff for 1 turn. Places a 5% [Poison] debuff for 2 turns if the target is under a [Heal Reduction] debuff. Cooldown: 4 Decrease ACC 50% Poison 5%	Heartseeker Formula: TRG_HP0.1+ATK1.7 Formula: MAX_STAMINA Attacks 1 enemy. Decreases the target's Turn Meter by 100%. Has an extra 30% chance of inflicting a critical hit. Damage increases according to enemy MAX HP. Cooldown: 5