Madame Serris vs Yelagirna

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Madame Serris	Dark Elves	Void	Support	Epic	-
Yelagirna	Orcs	Spirit	Attack	Epic	Attack 30% Place: Crypts

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Madame Serris	60	6	19650	826	1167	100	15	50	30	15
Yelagirna	60	6	16515 -3135	1365 +539	837 -330	95 -5	15	50	30	15

Skills comparison

Madame Serris	Panic Spread Formula: 4.2*ATK Attacks 1 enemy. Has a 20% chance of placing a [Fear] debuff for 1 turn. This chance increases to 30% if the target is under 1 debuff. This chance increases to 45% if the target is under 2 or more debuffs. Fear	Tricks and Treats Formula: 4.3*ATK Attacks all enemies. Has a 40% chance of stealing 1 random buff from each target. Places a [Block debuffs] buff on all allies for 2 turns if any buff is stolen. Places a [True Fear] debuff for 1 turn on enemies who have buffs stolen. Cooldown: 4 Block Debuffs True Fear	Midnight Ritual Removes all buffs from enemies. Places a 50% [Decrease ATK] debuff and a 60% [Decrease DEF] debuff on all enemies for 2 turns. Cooldown: 6 Decrease DEF 60% Decrease ATK 50%	Witch's Grace [P] Places a [Shield] buff on this Champion equal to 10% of their MAX HP at the start of each turn. When attacked while under a [Shield] buff, has a 35% chance of placing a [Fear] debuff on the attacker for 1 turn. Shield Fear
Yelagirna	Breath Taker Formula: 2.1*ATK Attacks 1 enemy 2 times. Places a 50% [Increase ATK] buff on this Champion for 2 turns if this attack kills an enemy. Increase ATK 50%	Mortify Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 50% [Decrease ATK] debuff for 2 turns. Cooldown: 4 Decrease ATK 50%	Sword of Loss Formula: 6.1*ATK Attacks 1 enemy. Has a 75% chance of placing a [Block Buffs] debuff and a [Block Active Skills] debuff for 2 turns. This attack is always critical. Cooldown: 4 Block Cooldown Skills Block Buffs	Great Cycle [P] Formula: 0.5*TRG_HP Revives 1 random ally with 50% HP every time this Champion kills an enemy. Cooldown: 2