Junkensteins Lab Patch Notes
The fourth week of the Overwatch Anniversary 2025 event introduces players to Junkenstein’s Laboratory, a limited-time mode that adds a strategic twist to traditional gameplay. Participants can explore new mechanics that alter how heroes perform, encouraging experimentation and adaptation in every match.
As players enter the mode, understanding each hero’s abilities and how they interact with the unique modifications becomes essential. The latest update refines these features, outlining every available mutation and adjustment to ensure balanced and engaging battles throughout the event.
Overwatch 2 Junkenstein's Lab patch notes
Reinhardt Mutations in Junkenstein’s Lab
Reinhardt’s updates focus on enhancing his offensive and defensive balance through a range of mutation tiers. Each color tier—green, blue, purple, and orange—modifies his core abilities such as Charge, Fire Strike, and Earthshatter.
| Mutation Tier | Mutation Name | Description |
|---|---|---|
| Green | Early Grave | Lowers Earthshatter ultimate cost by 25%. |
| Fearsome Frenzy | Boosts hammer swing speed by 10% for 3 seconds after each hit, stacking up to three times. | |
| Racing Charge | Raises Charge speed by 35%. | |
| Unrelenting March | Reduces movement penalty while using barrier by 85%. | |
| Vampiric Strike | Restores 25% of Fire Strike damage as health. | |
| Blue | Demonic Defense | Expands shield size by 20% and health by 25%. |
| Hellfire Strike | Increases Fire Strike width by 25%. | |
| Kinetic Kindling | Every hammer hit shortens Fire Strike cooldown by 15%. | |
| Pain Exchange | Blocking 200 damage with the barrier reduces Fire Strike cooldown. | |
| Petrified | Extends Earthshatter stun time by 25%. | |
| Purple | Boneshatter | Enemies struck take 25% more damage for 4 seconds. |
| Demon’s Due | Restores 10% of the barrier when Fire Strike or hammer hits connect. | |
| Infernal Arsenal | Adds one extra Fire Strike charge with a 30% longer cooldown. | |
| Macabre Transfusion | Converts 30% of drained damage into healing for allies within 6 meters. | |
| Scorched Earth | Fire Strike leaves a burning trail that deals 30 damage per second. | |
| Orange | Annihilation | Creates a 3-meter explosion when Charge ends. |
| Blazing Grave | For 3 seconds after Earthshatter, each hammer swing emits a fiery blast. | |
| Demonic Fury | Increases attack speed and power by up to 25% depending on missing health. | |
| Spectral Shield | Activates barrier while charging, boosting knockback by 25% and damage by 100%. | |
| Monster Bash | Adds Shield Slam that stuns and damages nearby enemies every 8 seconds. |
Orisa Mutations in Junkenstein’s Lab
Orisa’s modifications emphasize mobility, defense, and team synergy. Her Javelin and Fortify abilities gain new effects that support both personal sustainability and group protection.
| Mutation Tier | Mutation Name | Description |
|---|---|---|
| Green | Bolting Broomstick | Increases Javelin speed by 20%. |
| Conjurer’s Cloak | Fortify restores 15% of Orisa’s maximum health. | |
| Fortifright | Extends Fortify duration by 30%. | |
| Hurried Haunt | Boosts movement speed by 15% when health exceeds 50%. | |
| Hypnotizing Spin | Lengthens Javelin Spin duration by 30%. | |
| Blue | Arcane Energy | Reduces Javelin cooldown by 20%. |
| Chilling Blow | Javelin hits consume 50% of the weapon’s heat buildup. | |
| Mirror Ward | Javelin Spin reflects projectiles with 15% higher returned damage. | |
| Voidsent Javelin | Increases Javelin damage by 25% and knockback by 50% beyond 12 meters. | |
| Waning Whirlwind | Using Javelin Spin instantly clears 90% of the overheat meter. | |
| Purple | Grim Command | Fortify grants Orisa and allies 30% faster movement. |
| Megamonster | Grants 200% overhealth but slows movement by 20%. | |
| Repulsive Javelin | Boosts Javelin knockback by 50% and damage by 25%. | |
| Summoning Circle | Raises Earth Spear damage cap and recharge rate by 25%. | |
| Violence Begotten | Critical hits raise attack speed by 8% for 5 seconds. | |
| Orange | Spookycharger | Terra Surge drops a device increasing ally damage by 50% for 15 seconds. |
| Flight By Night | Allows flight during Javelin Spin with 15% faster movement. | |
| Shared Curse | Allies gain 75 armor and immunity while Fortify is active. | |
| Soul Snare | Damage from Javelin Spin reduces Fortify cooldown. | |
| Vampiric Javelin | Dealing Javelin damage restores 100 health. |
D.Va Mutations in Junkenstein’s Lab
D.Va’s mutations expand her mech’s flexibility and provide improved survivability. Her Defense Matrix and Boosters gain new effects that reward aggressive play while supporting sustained defense.
| Mutation Tier | Mutation Name | Description |
|---|---|---|
| Green | Turbo Thrusters | Increases Boosters speed by 25%. |
| Armor Recycle | Restores 10% armor when Defense Matrix absorbs projectiles. | |
| Kinetic Flow | Reduces Boosters cooldown by 15%. | |
| Reinforced Plating | Adds 10% damage reduction while firing Fusion Cannons. | |
| Quick Recall | Reduces Call Mech charge time by 20%. | |
| Blue | Energy Overflow | Expands Defense Matrix duration by 30%. |
| Missile Barrage | Adds one extra volley to Micro Missiles. | |
| Impact Shield | Generates 75 temporary armor when colliding with enemies using Boosters. | |
| Reactive Armor | Converts 15% of absorbed damage into self-healing. | |
| Power Redirect | Redirects absorbed damage to charge Self-Destruct faster. | |
| Purple | Overcharged Core | Self-Destruct deals 20% more damage in a 10-meter radius. |
| Nano Reinforcement | Grants 25% increased health while in mech form. | |
| Adaptive Thrusters | Boosters can be used in midair for controlled flight. | |
| Energy Feedback | Defense Matrix restores 50 ammo when it blocks projectiles. | |
| Volatile Payload | Self-Destruct leaves behind a brief damage-over-time field. | |
| Orange | Fusion Storm | Micro Missiles fire continuously for 5 seconds after Self-Destruct. |
| Mech Surge | Exiting the mech triggers a shockwave that knocks back enemies. | |
| Reactor Overload | Increases Fusion Cannon rate of fire by 20% while above 80% health. | |
| Core Detonation | Call Mech explosion radius increased by 50%. | |
| Twin Protocol | Allows a second mech call with reduced cooldown once per match. |
Ashe Mutations in Junkenstein’s Lab
Ashe’s upgrades highlight precision and explosive control. Her Viper rifle and Dynamite gain effects that reward accuracy and timing.
- Green Tier: Faster reloads and reduced recoil on Viper.
- Blue Tier: Dynamite burns longer and spreads fire to nearby enemies.
- Purple Tier: Bob gains 20% more health and deals increased impact damage.
- Orange Tier: Each critical hit reduces Bob’s cooldown by 5%.
Genji Mutations in Junkenstein’s Lab
Genji’s set emphasizes agility and burst potential. His Shuriken and Dragonblade benefit from speed and cooldown bonuses.
- Green Tier: Increases Shuriken throw speed by 15%.
- Blue Tier: Deflect lasts longer and reflects projectiles with 25% more damage.
- Purple Tier: Swift Strike resets instantly after two eliminations.
- Orange Tier: Dragonblade gains extended reach and lifesteal during activation.
Pharah Mutations in Junkenstein’s Lab
Pharah’s changes strengthen her aerial dominance.
- Green Tier: Jump Jet cooldown reduced by 20%.
- Blue Tier: Concussive Blast pushes enemies farther.
- Purple Tier: Rocket Launcher splash radius increased by 25%.
- Orange Tier: Barrage rockets track enemies slightly for improved accuracy.
Reaper Mutations in Junkenstein’s Lab
Reaper’s mutations focus on sustain and close-range effectiveness.
- Green Tier: Hellfire Shotguns reload faster.
- Blue Tier: Wraith Form grants a 25% speed boost.
- Purple Tier: Shadow Step leaves behind a damaging aura.
- Orange Tier: Each elimination restores 20% ultimate charge.
Soldier: 76 Mutations in Junkenstein’s Lab
Soldier: 76 gains improved accuracy and mobility.
- Green Tier: Sprint regenerates health over time.
- Blue Tier: Helix Rockets cooldown reduced by 15%.
- Purple Tier: Biotic Field heals allies for 10% more.
- Orange Tier: Tactical Visor lasts 2 seconds longer.
Kiriko Mutations in Junkenstein’s Lab
Kiriko’s abilities enhance healing and mobility.
- Green Tier: Healing Ofuda travel 20% faster.
- Blue Tier: Protection Suzu cooldown shortened by 15%.
- Purple Tier: Swift Step grants brief invulnerability.
- Orange Tier: Kitsune Rush extends duration by 3 seconds.
Mercy Mutations in Junkenstein’s Lab
Mercy’s upgrades refine her support role.
- Green Tier: Caduceus Staff healing increased by 10%.
- Blue Tier: Guardian Angel cooldown reduced by 20%.
- Purple Tier: Resurrect cast time reduced by 25%.
- Orange Tier: Valkyrie grants allies 10% faster ability recharge.
Moira Mutations in Junkenstein’s Lab
Moira’s mutations allow greater control of her biotic energy.
- Green Tier: Biotic Grasp heals 15% more.
- Blue Tier: Fade leaves a healing trail.
- Purple Tier: Biotic Orb splits into two smaller orbs on impact.
- Orange Tier: Coalescence range increased by 20%.
Zenyatta Mutations in Junkenstein’s Lab
Zenyatta’s changes improve both offensive and defensive utility.
- Green Tier: Orb of Harmony heals 10% faster.
- Blue Tier: Orb of Discord applies 5% additional damage amplification.
- Purple Tier: Transcendence duration extended by 1.5 seconds.
- Orange Tier: Melee attacks release a short-range shockwave.
