Mithrala Lifebane vs Kosk of Two Skins

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Mithrala Lifebane	Dark Elves	Void	Support	Legendary	Accuracy 80 Place: All battles
Kosk of Two Skins	Lizardmen	Force	Attack	Legendary	Accuracy 70 Place: All battles

Stats comparison

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Mithrala Lifebane	60	6	20310	870	1354	109	15	50	30	10
Kosk of Two Skins	60	6	15690 -4620	1542 +672	991 -363	99 -10	15	63 +13	30	10

Skills comparison

Mithrala Lifebane	Libation of Pain Formula: 2*DEF Attacks 2 times at random. Each hit has an 80% chance of placing a 5% [Poison] debuff for 2 turns. Poison 5%	Sigil of Toxic Glory Formula: 4*DEF Attacks all enemies. Places a [Hex] debuff for 2 turns. Also places a 60% [Increase DEF] buff and a 50% [Increase ATK] buff on all allies for 2 turns. Cooldown: 5 Increase ATK 50% Increase DEF 60% Hex	Brimming Cylix Removes all debuffs from all allies, then places a 25% [Strengthen] buff and a [Shield] buff equal to 30% of this Champion’s MAX HP on all allies for 2 turns. Cooldown: 5 Shield Strengthen	Gaze of Stone [P] Formula: 1*ACC Whenever this Champion is attacked by an enemy under a [Hex] debuff, has a 50% chance of applying a [Petrification] debuff on the attacker for 1 turn. Whenever an ally is attacked by an enemy under a [Hex] debuff, has a 30% chance of applying a [Petrification] debuff on the attacker for 1 turn. Also increases this Champion’s RES. The amount by which it is increased is equal to the amount of ACC this Champion has. Petrification
Kosk of Two Skins	Envenomed Sickles Formula: 1.9ATK Formula: 1.9ATK Attacks 1 enemy 2 times. Each hit has a 15% chance of increasing the duration of all enemy debuffs by 1 turn. If the 2nd hit does not increase the duration of all enemy debuffs, instantly activates all [Poison] debuffs on the target instead.	They Will Regret... Formula: 2.9ATK Formula: 2.9ATK Attacks 1 enemy 2 times. Before attacking, places a 50% [Increase ACC] buff on this Champion for 2 turns. The first hit has a 75% chance of placing a 25% [Poison Sensitivity] debuff and two 5% [Poison] debuffs for 2 turns. The second hit applies a [Debuff Spread] effect, taking all [Poison] debuffs and the [Poison Sensitivity] debuff from the target and placing them on all other enemies. Cooldown: 4 Poison Sensitivity Poison 5% Increase ACC	Toxic Vitriol Formula: 4ATK Formula: 0.2MAX_STAMINA Attacks all enemies. Places a 50% [Decrease ATK] debuff on all enemies for 2 turns. Increases this Champion’s Turn Meter by 20% for each [Decrease ATK] debuff placed. Instantly activates all [Poison] debuffs on all enemies. Cooldown: 4 Decrease ATK 50%	Imbibed Immunity [P] Formula: 0.05DMG_MULDebuffsCountOnTeam(enemyTeamId) Formula: -0.03*DebuffsCountOnTeam(enemyTeamId) This Champion is immune to [Poison], [Stun], and [Decrease SPD] debuffs. Increases this Champion’s damage dealt by 5% (stacks up to 50%) and Ignore DEF effect by 3% (stacks up to 30%) for each active debuff on the enemy team. Whenever this Champion is attacked by an enemy under a debuff placed by this Champion, counterattacks using their default skill.