Steelskull vs Mistress of Hymns

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Steelskull	Skinwalkers	Spirit	Support	Epic	Defence 27% Place: Crypts
Mistress of Hymns	The Sacred Order	Spirit	Support	Epic	Defence 25% Place: All battles

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Steelskull	60	6	16020	1277	958	111	15	50	30	0
Mistress of Hymns	60	6	18990 +2970	1024 -253	1013 +55	103 -8	15	50	30	0

Steelskull	Decay Formula: 2*ATK Attacks 1 enemy 2 times. Has a 10% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Cleansing Spell Formula: 0.4*TRG_HP Removes all debuffs from a target ally, then heals them by 40%. Cooldown: 4	Protection Formula: 0.2*TRG_HP Places a 60% [Increase DEF] buff on all allies for 2 turns. Heals all allies by 20% of their MAX HP. Cooldown: 5 Increase DEF 60%
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