Barbarian Weapon Expertise

Weapon Expertise is a mechanic unique to Barbarians in Diablo 4, and ties into their ability to equip up to four different weapons at once.

At level 5, they gain access to Weapon Expertise, which can be viewed in the Expertise tab. Every weapon type has a Technique, which goes into effect whenever the Barbarian uses that specific weapon. Every Technique starts at Rank 0, and can be raised up to Rank 10 simply by using the weapon in battle. At Rank 10, these Techniques will gain an additional bonus. It’s important to keep in mind that the weapon you wish to rank up needs to used in combat — simply equipping it will not raise its Technique.

At level 15, you will unlock the quest Barbarian: Masters of Battle. Completing this quest will unlock the Weapon Technique slot. This slot allows you to equip a 2nd Technique that will be active at all times, regardless of what weapon you’re using. There are two things to keep in mind, however:

  • The Technique needs to be at least Rank 1 to be able to be equipped.
  • The effect will not stack on itself, meaning if you’re using a certain weapon, equipping the same weapon’s Technique in this slot will not double the effect.

List of Weapon Techniques

WeaponTechnique (at Rank 10)Rank 10 Additional Bonus
1-Handed Axe5.0% increased Critical Strike Chance against injured enemies. Double this amount when using two Axes.Lucky Hit: Critical Strikes have up to a 55% chance to grant 6% increased Attack Speed for 2 seconds. Double the Attack Speed bonus when using two Axes.
1-Handed Mace10% increased damage to Stunned enemies. Doubles the effect when using two Maces.Lucky Hit: Up to a 10% chance to gain Berserking for 1.50 seconds when you hit a Stunned enemy. Double this chance when using two Maces.
1-Handed SwordLucky Hit: Up to a 10% chance to gain 5 Fury when hitting a Crowd Controlled enemy. Double this chance when using two Swords.Killing a Crowd Controlled enemy grants 15% increased Attack Speed for 3 seconds. The increase is doubled if using two Swords.
2-Handed Axe15.0% increased damage to Vulnerable enemies.10% increased Critical Strike Chance against Vulnerable enemies.
Polearm10% increased Lucky Hit Chance.You deal 10% increased damage while Healthy.
2-Handed Sword20% of direct damage you deal is inflicted as Bleeding damage over 5 seconds.You deal 30% increased Bleeding damage for 5 seconds after killing an enemy.
2-Handed MaceLucky Hit: Up to a 10% chance to gain 2 Fury when hitting an enemy. The Fury gain is doubled while Berserking.You deal 15% increased Critical Strike Damage to Stunned and Vulnerable enemies while Berserking.
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