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Here are all the Expansion Chips that can be obtained during the Aetherium Wars event of Honkai: Star Rail. See a list of all 32 Expansion Chips available in the game, their effects, and how to get them here!
Aetherium Wars Event Guides | |||
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Corridors Zone | Cloudford Zone | Herta Zone | Great Mine |
Championship | Hyperlink | Aether Spirits | Spirits Tier List |
Best Aether Spirit Team Comp |
List of Contents
All Expansion Chip Types | |
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Defense | Support |
Attack | Special |
Jump to an Expansion Chip type!
Expansion Chip | Effect and How to Get |
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Auto-Repair | After taking action, restores HP equal to 2% of Max HP x the effect trigger count (up to 8 trigger counts). You can get the Auto-Repair Chip after claiming it from Barrie. You have to first obtain the Mastery Mark of the Victory Zone: Corridor of Fading Echoes. |
Sudden Evasion | After entering battle, reduces DMG received by 90% for 2 turn(s). You can get the Sudden Evasion Chip after claiming it from Barrie. You have to first obtain the Mastery Mark of the Victory Zone: Cloudford. |
Emergency Reboot | When struck by a killing blow, instead of being knocked down, this ability is triggered and immediately restores HP to the wearer equal to 30% of their max HP and dispels all debuffs on the wearer. Then, the wearer immediately gains 1 additional turn. This effect can only trigger 1 time per battle. You can get the Emergency Reboot Chip as a reward from Oleg after defeating him in the last stage of the Purple Light Level, Hyperlink Match. |
Data Retrieval | After defeating an enemy, restores 80% of Max HP. You can get the Data Retrieval Chip as a reward from the Precious Chest in the Victory Zone: Cloudford. |
Firewall | Increases Max HP by 40% and greatly increases the chance of enemies attacking the wearer. You can get the Firewall Chip as a reward from Maxime after defeating him in the Victory Zone: Great Mine. You can only battle this challenger after obtaining the Mastery Mark from Giovanni. |
Attack Interception | At the end of the wearer's action, they gain a Barrier that nullifies all DMG received except DoTs. You can get the Attack Interception Chip as a reward from the Aetherium Wars Analyst after defeating him in the Victory Zone: Herta Space Station. You can only battle this challenger after obtaining the Mastery Mark from Herta. |
Shield System | Greatly increases the chance of being attacked. Upon entering battle, obtain a Shield that can absorb DMG equal to 25% of the wearer's Max HP + 500. You can get the Shield System Chip as a reward from Pela and Serval after defeating them in the Victory Zone: Corridor of Fading Echoes. |
Safe Mode | Reduces ATK by 75% and increases Max HP by 60%. You can get the Safe Mode Chip as a reward from the Exhausted Miner after defeating him in the Victory Zone: Great Mine. |
Return to All Expansion Chips ▲
Expansion Chip | Effect and How to Get |
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Freeze Loophole | Upon entering battle, there is a 100% fixed chance to cause all enemies to Freeze for 1 turn(s). You can get the Freeze Loophole Chip as a reward from March 7th after defeating her in the last stage of the Red Light Level, Hyperlink Match. |
Morale Activation | After an ally attacks, all allies gain 1 stack of Morale.
Each stack of Morale increases DMG dealt by 0.4%, DMG RES by 0.4%, and SPD by 0.4%. Stacks up to 60 time(s). You can get the Morale Activation Chip as a reward from Bronya after defeating her in the last stage of the Yellow Light Level, Hyperlink Match. |
General Upgrade | Increases ATK by 20% and Max HP by 20%. You can get the General Upgrade Chip as a reward from the Precious Chest in the Victory Zone: Corridor of Fading Echoes. |
Performance Allocation | When an enemy is defeated, regenerates 1 Energy for all other allies. Can be triggered 1 time every 1 turn(s). You can get the Performance Allocation Chip as a reward from the Drowsy Player after defeating him in the Victory Zone: Herta Space Station. |
Backstage Enhancement | When it is not the wearer's turn, the wearer increases their ATK by 50%. You can get the Backstage Enhancement Chip as a reward from the Confident Youth after defeating him in the Victory Zone: Cloudford. |
Deep Clean | At the end of the turn, removes all debuffs from the wearer, and removes 1 debuff from each of the other allies. You can get the Deep Clean Chip as a reward from the Ingenium Enthusiast after defeating him in the Victory Zone: Cloudford. |
Return to All Expansion Chips ▲
Expansion Chip | Effect and How to Get |
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Quick Command | Consume all Skill Points after using a Basic ATK or Skill to take an extra action. This cannot be triggered consecutively. You can get the Quick Command Chip as a reward from Wilder after defeating him in the third stage of the Red Light Level, Hyperlink Match. |
Computation Lock | Increases ATK by 75% but disables Ultimate. You can get the Computation Lock Chip as a reward from Lynx after defeating her in the last stage of the Blue Light Level, Hyperlink Match. |
Sudden Interjection | After using Basic ATK/Skill/Ultimate for the first time, immediately gains an additional turn. You can get the Sudden Interjection Chip as a reward from the Precious Chest in the Victory Zone: Herta Space Station. |
Shieldbreaker | When attacking, if a Shielded target is hit, the DMG dealt by the attack increases by 75%. You can get the Shieldbreaker Chip as a reward from the Naive Player after defeating him in the Victory Zone: Great Mine. |
Functional Overdraft | After attacking an enemy, consumes HP equal to 25% of the wearer's Max HP and Advances Forward the wearer's action by 40%. If the current HP is insufficient, the wearer's HP will be reduced to 1. You can get the Functional Overdraft Chip as a reward from the Science-Obsessed Player after defeating her in the Victory Zone: Herta Space Station. |
High Load-Low Speed | Increases ATK by 90% and reduces SPD by 30%. You can get the High Load-Low Chip as a reward from the Serious Player after defeating him in the Victory Zone: Herta Space Station. |
Threshold Disruption | When attacking enemy targets with HP percentage greater than 80%, increases the DMG dealt by the attack by 70%. You can get the Threshold Disruption Chip as a reward from Lukacs after defeating him in the Victory Zone: Herta Space Station. |
Parallel Enhancement | After using an attack, increase DMG received by the wearer and the attacked enemy target(s) by 25% for 1 turn(s). You can get the Parallel Enhancement Chip as a reward from the Casual Player after defeating him in the Victory Zone: Cloudford. |
Negative Load Algorithm | With every debuff the wearer has, increases DMG dealt by 25%, for up to 4 debuff(s). You can get the Negative Load Algorithm Chip as a reward from the Salesby after defeating him in the Victory Zone: Cloudford. |
Malfunction | When the wearer attacks a debuffed enemy, they deal Additional DMG equal to 50% of their ATK to the enemy. You can get the Malfunction Chip from Giovanni while progressing the Embark! Corridor of Fading Echoes! event quest. |
Return to All Expansion Chips ▲
Expansion Chip | Effect and How to Get |
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Trotter Patch | If the wearer is a Trotter, increases ATK by 35% and Max HP by 35%. You can get the Trotter Patch Chip as a reward from Topaz after defeating her in the second stage of the Red Light Level, Hyperlink Match. |
Defective Suppression | When an enemy is defeated, all other enemies' actions are delayed by 40%. Can be triggered 1 time per turn. You can get the Defective Suppression Chip as a reward from Welt after defeating him in the first stage of the Red Light Level, Hyperlink Match. |
Energy Recycling | After using their Ultimate to defeat enemy targets, the wearer regenerates their Energy to max. You can get the Energy Recycling Chip as a reward from Yanqing after defeating him in the last stage of the Green Light Level, Hyperlink Match. |
Efficiency Optimization | After entering battle, reduces the Energy required for Ultimate by 1. Energy cannot be reduced below 2 point(s). You can get the Efficiency Optimization Chip as a reward from the Precious Chest in the Victory Zone: Great Mine. |
Matrix Iteration | After the wearer uses their Ultimate, restores their HP equal to 35% of their Max HP. You can get the Matrix Iteration Chip as a reward from the Automaton Fanatic after defeating him in the Victory Zone: Great Mine. |
Cleansing | Dispels one buff on the target when attacking. Triggers up to 1 time per attack. If the buff is successfully dispelled, increases the DMG of this attack by 75%. You can get the Cleansing Chip as a reward from the Impatient Youth after defeating him in the Victory Zone: Great Mine. |
Wind Shear Loophole | After attacking, there is a 60% base chance to inflict Wind Shear on the attacked target for 2 turn(s). When afflicted with Wind Shear, enemies take DoT equal to 20% of the wearer's ATK at the start of each turn, stacks up to 5 time(s). You can get the Wind Shear Loophole Chip as a reward from the Veteran Player after defeating him in the Victory Zone: Cloudford. You can only battle this challenger after obtaining the Mastery Mark from Herta. |
Saturated Activation | When the wearer's first turn begins, immediately regenerates 3 Energy. You can get the Saturated Activation Chip from Giovanni while progressing the Embark! Corridor of Fading Echoes! event quest. |
Return to All Expansion Chips ▲
How to Get Expansion Chips | |
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Challengers | Precious Chests |
Hyperlink Matches | Barrie |
Jump to a method!
All Victory Zones | |
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Corridors Zone | Cloudford Zone |
Herta Zone | Great Mine |
During the Aetherium Wars event, you'll have to go through several areas called Victory Zones. These areas will contain Aether Spirits for you to capture and also several NPCs for you to defeat. Challengers and Championship Contenders will reward you with an Expansion Chip once you defeat them in battle!
Expansion Chips like the Efficiency Optimization can only be obtained inside the Precious Chests that can be found in Victory Zones. So make sure to open those chests when you see them!
Several Expansion Chips such as the Moral Activation Chip can only be obtained after participating in certain Hyperlink Matches. Do note that Hyperlink Matches can be challenging so use the best Aether Spirits in the event when attempting those challenges.
Hyperlink and Exhibition Match Guide
Barrie, the Aetherium Wars Player Terminal NPC, will give you an Expansion Chip or an Aether Spirit as a reward whenever you earn a Mastery Mark from a Victory Zone. Barrie will give you Auto-Repair after clearing the Corridor of Fading Echoes. They will also give you Sudden Evasion once you finish Cloudford!
To actually obtain the Expansion Chips, talk to Barrie then select the I want to claim benefits option.
Old Weapon Testing Ground Chest Locations
Similar to Light Cones, Expansion Chips can be given to Aether Spirits in order to give them some stat bonuses and passive abilities. Expansion Chips can only be obtained within the event called Aetherium Wars!
Corridor of Fading Echoes | Cloudford |
Herta Space Station | Great Mine |
Championship |
All Aetherium Wars Quests | ||
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Let's Go! Aetherium Wars! | Embark! Corridor of Fading Echoes! | |
Onward! Cloudford! | Battle of Wits! Herta Space Station! | |
Clash! Great Mine! | Final Showdown! Intergalactic Celebration! | |
All Aetherium Wars Puzzles | ||
Snowshine Lamp Solutions | Victory Marking Solutions | |
Spider Bomb Solutions |
Aether Spirits Tier List | Best Aether Spirit Teams |
All Aether Spirits | How to Get and Level Up |
Luka Battle Guide | Guinaifen Battle Guide |
Silver Wolf Battle Guide | Giovanni Battle Guide |
Topaz Battle Guide | Hook Battle Guide |
Hyperlink Match Guide | List of All Expansion Chips |
Keep the Trotter or Not? |
Not sure of those 2 yet, the Data Retrieval chip is in Cloudford treasure chest 4. Check the Cloudford victory zone page, it shows how to get it. I’m assuming the other chips may be in chests in other locations?
List of All Expansion Chips
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Okay, Firewall will be the final chip you get in the Great Mine. What makes this guide confusing is that it’s giving you teams equipped with chips that you can’t possibly have yet. 🤦♀️ But the truth is, you don’t need to have those chips to win. Just follow their team recommendations as much as you can. It’s working out fine for me. 👍🏻