Mistress of Hymns vs Kallia

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mistress of Hymns	The Sacred Order	Spirit	Support	Epic	Defence 25% Place: All battles
Kallia	Barbarians	Force	Attack	Epic	Attack 25% 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
Kallia	60	6	12885 -6105	1597 +573	848 -165	106 +3	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
Kallia	Superheated Hammer Formula: 3.2ATK Formula: 0.2DEALT_DMG Attacks 1 enemy. Has a 30% chance of placing a [HP Burn] debuff for 2 turns. [Heals this Champion by 20% of the damage inflicted when Atur is on the same team.] HP Burn	Curse of Nullity Formula: 4ATK Formula: 0.1DEALT_DMG Attacks all enemies. Has a 75% chance of placing a 100% [Heal Reduction] debuff for 2 turns. [Heals this Champion by 10% of the damage inflicted when Atur is on the same team.] Cooldown: 4 Heal Reduction 100%	Flame Tempest Formula: 2ATK Formula: 0.15DEALT_DMG Attacks 3 times at random. Each hit places a [HP Burn] debuff for 2 turns. [Heals this Champion by 15% of the damage inflicted when Atur is on the same team.] Cooldown: 5 HP Burn