Senna Amberheart vs Kosk of Two Skins

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Senna Amberheart	Dwarves	Void	Support	Legendary	Speed 19% 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
Senna Amberheart	60	6	18990	1112	1200	113	15	50	40	0
Kosk of Two Skins	60	6	15690 -3300	1542 +430	991 -209	99 -14	15	63 +13	30 -10	10 +10

Skills comparison

Senna Amberheart	Amberthrust Formula: 4.3*ATK Attacks 1 enemy. Has a 50% chance to instantly activate a [Continuous Heal] buff on each ally.	Touch of Gold Formula: 0.2*MAX_STAMINA Places a 30% [Increase SPD] buff and two 15% [Continuous Heal] buffs on all allies for 2 turns. Also fills the Turn Meters of all allies by 20%. Cooldown: 5 Continuous Heal 15% Increase SPD 30%	Edge of Death Formula: 0.5TRG_HP Formula: 0.5MAX_STAMINA Revives all dead allies with 50% HP and 50% Turn Meter. Then, teams up with all allies revived by this skill to attack the enemy with the lowest HP. The allies joining the attack will use their default skills. Cooldown: 6	Healing Glow [P] Formula: 0.05*MAX_STAMINA Whenever a [Continuous Heal] buff activates on any ally, fills the Turn Meters of all allies by 5%. At the end of this Champion’s turn, increases the duration of a [Continuous Heal] buff on a random ally except this Champion for 1 turn.
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.