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Kosk of Two Skins - Guide, Masteries, GearLegendary

Kosk of Two Skins — guide

Legendary LizardmenAlly: Gaellen PactRole: Attack Element: Force
Speed99
HP15690
Defense991
Attack1542
Author: RAID GURU Editorial Updated: 21.10.2026 Reading: ~2 min 0 reviews

Build

Artifact sets
SavagePerceptionLethalMercilessPinpointFeral
Key masteries
Pierce DefensesMaximum VelocityUnrelenting PowerDestructive AccuracyCarved OpenGathering MomentumOpening GambitRolling ForceDungeon DelverBoss Slayer
Blessings
Crushing rendLethal dosenature wrath
Relics
Irethi CoronetThe Cat's GazePreserved AberrationArachnelixir
Best in
Spider's DenDragon's LairLizardmen CryptHydra

The build is a guideline: the first sets in the list fit most often. Adapt it to your artifacts and goals.

Guide and skills

Kosk the Two-Skinned is a Legendary champion in RAID: Shadow Legends from the Lizardmen faction (Gaellen Pact), role — Attack, affinity — Force.

Skills

SkillDescriptionLevel Upgrades

Poisonous Sickle

Attacks an enemy 2 times. Each hit has a 15% (40%) chance of extending all enemy debuffs by 1 turn. If the second hit does not extend all enemy debuffs, instantly activates all Poisons on the target.
Damage based on [ATK] = 1.9 × [ATK] (2 times)

Effects: Activates Poison, Extends debuffs

Lvl 4 Extend Chance: +15%

Surge of Revenge

Cooldown: 4 turns

Attacks an enemy 2 times.
Before attacking, gains a 50% Increase ACC buff for 2 turns.
The first hit has a 75% (100%) chance of placing a 25% Poison Sensitivity debuff and two 5% Poison debuffs for 2 turns.
The second hit places a Debuff Spread, transferring all Poison and Poison Sensitivity debuffs from the target to all enemies.
Damage based on [ATK] = 2.8 × [ATK] (2 times)

Effects: 50% Increase ACC, Removes debuffs, Poison Sensitivity, 5% Poison

Lvl 2 Damage +20% Lvl 3 Debuff Chance: +10% Lvl 4 Debuff Chance: +15% Lvl 5 Cooldown -1

Caustic Concoction

Cooldown: 4 turns

Attacks all enemies.
Places a 50% Decrease ATK debuff on all enemies for 2 turns. Fills this Champion's Turn Meter by 20% for each Decrease ATK debuff placed. Instantly activates Poison debuffs on enemies.
Damage based on [ATK] = 3.7 × [ATK] AoE

Effects: Activates Poison, Fills only their own Turn Meter, 50% Decrease ATK

Lvl 2 Damage +10% Lvl 3 Damage +10% Lvl 4 Cooldown -1

Immunity [P]

Immune to Poison, Stun, and Decrease SPD debuffs.
Increases the damage dealt by 5% (max 50%) and defense ignore effect by 3% (max 30%) for each debuff on the enemy team.
When hit by an enemy under a debuff placed by this hero, counterattacks with the default skill.
AuraIncreases Ally ACC in all battles by 70

Where to get

Sacred Shardmain source
Ancient Shardvery rare chance
Events and fusionsstay tuned

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