Lydia the Deathsiren vs Rotos the Lost Groom

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Lydia the Deathsiren	Dark Elves	Void	Support	Legendary	Resist 100 Place: Arena
Rotos the Lost Groom	Undead Hordes	Magic	Attack	Legendary	-

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
Rotos the Lost Groom	60	6	11895 -8910	1520 +617	1266 -22	90 -20	15	63 +13	40	0

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
Rotos the Lost Groom	Terror Scourge Formula: 1.9ATK+0.19HP Attacks 1 enemy. Has a 75% chance of placing a 60% [Decrease DEF] debuff for 2 turns. Also has a 25% chance of granting an Extra Turn. Decrease DEF 60%	Vitality Plunder Formula: 3.5ATK+0.3HP Formula: 0.2TRG_B_HP Formula: destroyedHpBySkillCurrentRound+hitsOnBossBySkillCurrentRoundCount15000 Formula: 0.3*DEALT_DMG Attacks 1 enemy. Destroys the target's MAX HP by 20%, then adds that HP to this Champion's own MAX HP. [Cannot destroy a single Champion's MAX HP by more than 60% in one Battle. Cannot increase this Champion's MAX HP by more than 60,000. Destroys the MAX HP of Bosses by 30% of the damage inflicted instead. This Champion's MAX HP will be increased by 15,000 when this Skill is used against Bosses.] Cooldown: 3	Fated Destruction Formula: 2.1ATK+0.19HP Attacks 1 enemy. Will ignore 60% of the target's DEF. Will also ignore [Unkillable] and [Block Damage] buffs. Enemies killed by this skill cannot be revived if this Champion has gained maximum amount of HP from the Vitality Plunder skill. Grants an Extra Turn if this skill kills an enemy. Cooldown: 4 Block Revive	Spurn Oblivion [P] Formula: -(DEALT_DMG-0.5HP) Formula: -0.15DMG_MUL Formula: -0.3*DMG_MUL Will decrease damage from enemy hits so that incoming damage from any single hit will not exceed 50% of this Сhampion's MAX HP. Grants an Extra Turn if this damage reduction occurs. [Does not work against Bosses.] Decreases the damage taken from Bosses by 15%. Decreases the damage taken from Bosses by 30% if Siphi the Lost Bride is on the same team.