Barbarian Weapon Mastery Skills in Diablo 4 heavily involve the Weapon the Barbarian is using, and more specifically relies on the use of a two-handed slashing weapon. Barbarian Weapon Mastery Skills are very high damage Skills with modest Cooldowns to prevent them from being spammed, but the don're require Fury to be used. There are 4 Weapon Mastery Skills in Diablo IV and these are: Primal Axe, Rupture, Death Blow, and Steel Grasp. Below you can see what each of these Barbarian Defensive Skills do and how long their Cooldowns are.
Barbarian Weapon Mastery Skills
Primal Axe
Berserker
Recharge: 20 seconds
Throw your weapon with a chain attached, dealing X damage and pulling in enemies.Deals Physical Damage
Rupture
Berserker
Cooldown: 10 seconds
Skewer enemies in a line, inflicting X bleeding over 3 seconds. If an enemy dies while bleeding, the cooldown is reset.
Requires a two-handed slashing weapon.Deals Physical Damage
Death Blow
Warlord
Cooldown: 15 seconds
Attempt a killing strike, dealing X damage to enemies in front of you. If this kills an enemy, the cooldown is reset.
Requires a two-handed slashing weapon.Deals Physical Damage
The 4th one is 'Steel grasp'
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