Roshcard the Tower vs Kosk of Two Skins

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Roshcard the Tower	The Sacred Order	Magic	HP	Legendary	HP 33% 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
Roshcard the Tower	60	6	24780	947	980	100	15	50	50	0
Kosk of Two Skins	60	6	15690 -9090	1542 +595	991 +11	99 -1	15	63 +13	30 -20	10 +10

Skills comparison

Roshcard the Tower	Rebuke Formula: 5*ATK Attacks 1 enemy. Has a 50% chance of removing 1 random buff from the target.	Sanction Formula: 0.3*HP Attacks 1 enemy. Places a [Block Active Skills] debuff and a [Block Buffs] debuff for 2 turns. These debuffs cannot be resisted. Cooldown: 4 Block Cooldown Skills Block Buffs	Zone of Protection Places a [Block Damage] buff on all allies for 2 turns. Cooldown: 6 Block Damage	-
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.