Diablo 4 Season 9 introduces fresh seasonal mechanics and Diablo 4 Items opportunities to push characters to their limit. For players looking to level up quickly and efficiently as a Barbarian, the Double Swing build offers a fast, resource-friendly, and satisfying experience that scales well through the early-to-mid game. Here's a full guide to leveling with Double Swing Barbarian in Season 9 — no frills, no fluff, just powerful, streamlined gameplay.

Why Choose Double Swing?
Double Swing is a Fury-spender that deals damage in a wide arc, hits twice, and costs very little Fury. It performs exceptionally well in tight packs of enemies and has minimal downtime. With strong synergy from Weapon Mastery and Berserking effects, it’s a powerful and underrated leveling build.

Strengths of the Build
Low Fury Cost: Keeps you attacking without waiting on resources.

Fast Clear: Great at mowing through enemy packs.

Early Power Spike: Becomes strong very early (Level 5–10).

Excellent Synergy: Works well with Berserking buffs and Fury generation skills.

Skill Progression – Core Leveling Path
Below is a simple path to take your Double Swing Barbarian from Level 1 to Level 50.

Levels 1–10: Basic Setup
Lunging Strike (1/5) – Mobility and Fury generation.

Double Swing (5/5) – Main damage-dealing skill.

Enhanced Double Swing – Adds stun for great crowd control.

Furious Double Swing – Restores Fury if both hits connect.

Levels 11–20: Core Power
Rallying Cry (3/5) – Boost movement speed and Fury regen.

War Cry (1/5) – Boost damage.

Challenging Shout (1/5) – Survivability.

Aggressive Resistance + Prolific Fury – Passive nodes for Fury regen while Berserking.

Levels 21–30: Utility & Survivability
Iron Skin (1/5) – Defensive tool, can be used offensively with passives.

Booming Voice + Guttural Yell – Boost shout effectiveness.

Berserking Duration Nodes – Extend uptime on buffs.

Levels 31–40: Damage Scaling
Pit Fighter + No Mercy – Great passives for elite damage.

Thick Skin + Counteroffensive – Defense that scales with Fortify.

Combat Double Swing – Increases Vulnerable uptime (key for boss fights).

Levels 41–50: Ultimate and Final Touches
Wrath of the Berserker – Ultimate choice for extra damage and Fury.

Prime & Supreme WotB – Extends duration and enhances Berserking.

Weapon Mastery (Passive) – Boosts damage depending on buy Diablo 4 Items weapon types.