Lydia the Deathsiren vs Yelagirna

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Lydia the Deathsiren	Dark Elves	Void	Support	Legendary	Resist 100 Place: Arena
Yelagirna	Orcs	Spirit	Attack	Epic	Attack 30% Place: Crypts

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Lydia the Deathsiren	60	6	20805	903	1288	110	15	50	40	0
Yelagirna	60	6	16515 -4290	1365 +462	837 -451	95 -15	15	50	30 -10	15 +15

Skills comparison

Lydia the Deathsiren	Oppression Formula: 3.75*ATK Attacks 1 enemy. Has a 75% chance of placing a [Fear] debuff for 1 turn. Has a 75% chance of increasing the duration of any [Poison Sensitivity] debuffs by 1 turn. [Passive Effect] Attacks enemies with this Skill whenever they place a [Freeze], [Stun], [Fear], [True Fear], or [Petrification] debuff on an ally. The number of attacks increases according to how many debuffs are placed at that time; 1 attack for each [Freeze], [Stun], [Fear], [True Fear], or [Petrification] debuff placed. The first attack will target the attacker, while all extra hits will attack random enemies. Can only attack each enemy once. Fear	Siren's Wail Formula: 4*ATK Attacks all enemies. Has a 75% chance of placing a 60% [Decrease DEF] debuff and a 25% [Weaken] debuff for 2 turns. Also places a 25% [Strengthen] buff and a 30% [Increase SPD] buff on all allies for 2 turns. Cooldown: 4 Weaken 25% Decrease DEF 60% Strengthen Increase SPD 30%	Nullification Formula: 3.2ATK Formula: 3.2ATK Attacks 1 enemy 2 times. The first hit has a 75% chance of placing a 25% [Poison Sensitivity] debuff for 2 turns. The second hit has a 75% chance of placing a [Block Buffs] and [Block Active Skills] debuff for 2 turns. Cooldown: 5 Block Cooldown Skills Block Buffs Poison Sensitivity	Death Hold [P] Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Formula: 0.5HP Formula: 0.5MAX_STAMINA Denies enemy revive attempts. This works even if this Champion is dead. If this Champion is alive when an enemy revive is denied, revives all dead allies with 50% HP and 50% Turn Meter. Grants an Extra Turn instead if there are no dead allies. If this Champion is dead when an enemy revive is denied, revives this Champion with 50% HP and 50% Turn Meter. This skill will ignore [Block Revive]. Cooldown: 9
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