The best co-op multiplayer builds for Clair Obscur Expedition 33 center around a Vanguard wielding the Aegis Greatsword with Shield Bash, paired with an Engineer deploying the Tesla Turret and Overcharge skill, allowing a four‑player squad to clear the Abyssal Rift boss, Void Leviathan (1.2 M HP), in under 12 minutes while maintaining >90% uptime on damage mitigation. Learn more about the game on its Steam store page, the developer’s site, and the official wiki. For more co‑op strategies, check our guides on Path of Exile 2 co‑op builds, fixing lag in Path of Exile 2, legendary weapons in Black Myth Wukong, fast gold farming in Black Myth Wukong, and respecing skill points.
1. S-Tier Vanguard Shield Specialist Build
Weapon & Gear
The Vanguard’s core weapon is the Aegis Greatsword (Base Damage 120, +15% vs Armor, +10% Block Efficiency). Pair it with the Reinforced Plate Set (Helmet, Chest, Gauntlets, Greaves) granting +300 Defense, +15% Stamina Regen, and +12% Block Chance. For accessories, equip the Obsidian Ring (+8% Critical Damage) and the Void Amulet (+10% Damage to Bosses).
Skill Tree
Focus on the Shield Mastery branch: Shield Bash (Rank 5) deals 250% weapon damage, applies a 3‑second Stun, and has an 8‑second cooldown. Tactical Strike (Rank 3) adds +15% damage after a successful block. Battle Cry (Rank 4) grants +20% Attack Speed to nearby allies for 10 seconds, cooldown 20 seconds. Finally, Unbreakable Will (Rank 2) reduces incoming damage by 18% while shield is raised.
Stat Priorities
Prioritize Strength 45%, Vitality 30%, Endurance 15%, Luck 10%. Aim for a minimum of 1,200 Strength to hit the 250% damage threshold on Shield Bash, and at least 800 Vitality to survive the Void Leviathan’s sweeping AoE (which deals up to 350k damage per hit).
Rotation & Tips
Open combat with Shield Bash to stagger the boss, then unleash three Heavy Swing attacks (each 180% weapon damage) while maintaining block. Activate Battle Cry on cooldown to boost squad DPS. When the Void Leviathan launches its Void Pulse (telegraphed by a dark aura), raise shield and trigger Unbreakable Will to mitigate damage. Keep an eye on stamina; use the Reinforced Plate’s regen to sustain block uptime above 90%.
2. A-Tier Engineer Turret Commander Build
Weapon & Gear
The Engineer’s primary tool is the Tesla Turret Mk.III (Base Damage 90 per tick, +20% vs Shielded enemies, 5‑second deployment time). Pair it with the Circuit‑Weave Suit (Helmet, Chest, Gloves, Boots) providing +250 Energy Shield, +18% Skill Cooldown Reduction, and +12% Turret Health. Accessories: Capacitor Lens (+12% Skill Damage) and Micro‑Core Battery (+15% Energy Regen).
Skill Tree
Invest in the Turret Specialist line: Overcharge (Rank 4) increases turret damage by 35% for 6 seconds, cooldown 18 seconds. Rapid Deployment (Rank 3) reduces turret setup time to 2 seconds. Shield Pulse (Rank 2) emits a 5‑meter shield pulse every 12 seconds, absorbing up to 180k damage. Finally, Nano‑Repair (Rank 2) heals the turret for 8% of its max health per second.
Stat Priorities
Focus on Energy 40%, Intelligence 30%, Endurance 15%, Luck 15%. Target at least 1,000 Energy to maintain turret uptime, and 750 Intelligence to maximize Overcharge scaling.
Rotation & Tips
Deploy the Tesla Turret immediately upon entering combat, then activate Overcharge to boost damage. Use Rapid Deployment to reposition the turret during boss phases. When the Void Leviathan casts Corrosive Spit (a line AoE), drop a Shield Pulse to protect nearby allies. Keep the turret within 8 meters of the Vanguard to benefit from Battle Cry’s attack speed buff.
3. B-Tier Scout Sniper Recon Build
Weapon & Gear
The Scout excels with the Silenced Railgun (Base Damage 200, +30% Critical Chance, 1.2‑second charge time). Equip the Shadow‑Weave Armor (Helmet, Chest, Gloves, Boots) granting +180 Evasion, +12% Movement Speed, and +10% Critical Damage. Accessories: Hunter’s Eye (+15% Critical Damage) and Wind‑cutter Charm (+8% Dodge Chance).
Skill Tree
Focus on the Marksman branch: Precise Shot (Rank 5) deals 350% weapon damage on a critical hit, cooldown 10 seconds. Steady Aim (Rank 3) reduces charge time by 25% after landing a hit. Evasive Maneuver (Rank 2) grants a 20% dodge boost for 5 seconds after using Precise Shot. Finally, Mark Target (Rank 2) tags an enemy, increasing all allied damage against it by 12% for 8 seconds.
Stat Priorities
Prioritize Dexterity 45%, Perception 30%, Endurance 15%, Luck 10%. Aim for at least 1,100 Dexterity to reliably crit with Precise Shot, and 800 Perception to reduce charge time effectively.
Rotation & Tips
Begin with Mark Target on the Void Leviathan’s weak spot (the glowing core). Charge the Silenced Railgun and fire a Precise Shot for massive burst damage. Follow with two quick Rapid Shot attacks (each 150% weapon damage) while using Evasive Maneuver to dodge incoming AoE. Keep moving to maintain Shadow‑Weave’s evasion buff, and re‑apply Mark Target every 8 seconds.
4. C-Tier Medic Support Build
Weapon & Gear
The Medic’s main weapon is the Caduceus Staff (Base Healing 120 per second, +15% Healing vs Shielded allies, +10% Mana Regen). Equip the Mendicant Robes (Helmet, Chest, Gloves, Boots) providing +200 Mana Shield, +18% Healing Efficiency, and +12% Mana Regeneration. Accessories: Lotus Pendant (+12% Healing Power) and Phial of Vitality (+15% Mana Capacity).
Skill Tree
Invest in the Healing Savant line: Healing Wave (Rank 5) restores 260% base healing to all allies in a 6‑meter radius, cooldown 12 seconds. Blessing of Light (Rank 3) grants a 10‑second damage immunity shield equal to 15% of max HP. Revitalize (Rank 2) removes one debuff from an ally every 8 seconds. Finally, Guardian’s Aura (Rank 2) increases nearby allies’ defense by 8% while the Medic is stationary.
Stat Priorities
Focus on Mana 40%, Intelligence 30%, Endurance 15%, Luck 15%. Target at least 900 Mana to sustain Healing Wave rotations, and 700 Intelligence to maximize Blessing of Light scaling.
Rotation & Tips
When the Void Leviathan uses its Dark Maw (a frontal cone), cast Blessing of Light on the tank. Follow with Healing Wave to top off squad health. Use Revitalize to cleanse the Corrosive Debuff applied by the boss’s spit. Keep the Medic within 5 meters of the Vanguard to benefit from Guardian’s Aura defense boost, and maintain line of sight for Healing Wave.
5. Hybrid DPS/Tank Build (Vanguard+Engineer)
For squads that prefer a single character to fulfill both tank and damage roles, combine the Vanguard’s Aegis Greatsword with the Engineer’s Tesla Turret. This hybrid build uses the Aegis Greatsword (as above) and the Tesla Turret Mk.II (slightly lower damage but faster deployment). Gear combines the Reinforced Plate Set’s chest and gauntlets with the Circuit‑Weave Suit’s helmet and boots, yielding +280 Defense, +14% Stamina Regen, +200 Energy Shield, and +15% Skill Cooldown Reduction.
Skill priority: take Shield Bash (Rank 4), Overcharge (Rank 3), Battle Cry (Rank 3), and Rapid Deployment (Rank 2). Stat split: Strength 30%, Energy 30%, Vitality 20%, Intelligence 15%, Luck 5%. Rotation: open with Shield Bash, deploy turret, activate Overcharge, then swing while maintaining block. Use Battle Cry on cooldown to buff allies. This build offers ~90% of the pure Vanguard’s survivability and ~80% of the Engineer’s DPS, making it viable for three‑player squads.
6. Gear Stat Priorities and Rotation Tips for All Builds
Regardless of role, certain universal stats improve co‑op performance in Expedition 33. Aim for a minimum of 15% Cooldown Reduction across the party to keep Shield Bash, Overcharge, and Healing Wave available. Stamina Regeneration of at least 12% ensures tanks can maintain block during prolonged phases. Energy Shield values above 200 provide a buffer against the Void Leviathan’s sudden burst attacks. Finally, maintain a Critical Hit Chance of 20% or higher for DPS classes to reliably trigger Precise Shot and Tactical Strike bonuses.
Communication is key: assign one player to call out boss telegraphed moves (Void Pulse, Corrosive Spit, Dark Maw). Use the in‑game ping system to mark the Weak Spot for the Scout’s Mark Target. Keep consumables stocked: Elixir of Fortitude (+15% Defense for 30 seconds) and Potion of Swiftness (+20% Movement Speed for 15 seconds) help survive surprise mechanics.
With these builds and tips, your squad should consistently clear Clair Obscur Expedition 33’s Abyssal Rift in under 12 minutes, earning the highest tier loot and unlocking the exclusive Eclipse Forge cosmetic set.