Keeyra the Watcher vs Mistress of Hymns

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Keeyra the Watcher	Dwarves	Spirit	Defence	Legendary	-
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
Keeyra the Watcher	60	6	19485	870	1409	104	15	50	50	0
Mistress of Hymns	60	6	18990 -495	1024 +154	1013 -396	103 -1	15	50	30 -20	0

Keeyra the Watcher	Falling Star Crush Formula: 3.6*DEF Attacks 1 enemy. Has a 50% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Decrease ATK 50%	Smashing Spree Formula: 3.8*DEF Attacks all enemies. Has a 75% chance of decreasing the duration of all enemy buffs by 1 turn. Also has a 75% chance of placing a 50% [Decrease ACC] debuff for 2 turns. Cooldown: 4 Decrease ACC 50%	Coordinated Defense Places a 50% [Ally Protection] buff on all allies except this Champion for 2 turns. Also places a 60% [Increase DEF] buff on all allies for 2 turns. Cooldown: 5 Ally Protection 50% Increase DEF 60%	Besieger's Bane [P] Whenever an ally is attacked while under an [Ally Protection] buff, places a 50% [Decrease ATK] debuff on the attacker for 1 turn. Decrease ATK 50%
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	-