OS Tuning List and Guide for Armored Core 6: Fires of Rubicon
Armored Core 6: Fires of Rubicon Best OS Tuning Upgrades
Trophies and Achievements
Below are all the trophies and achievements related to this guide and how to unlock them in the game.
| Trophy | How to Unlock |
|---|---|
| Asset Holder |
Performed all OS upgrades. |
| Software Engineer |
Upgraded your AC’s OS. |
Armored Core 6: Fires of Rubicon Trophy and Achievement List
OS Tuning – System Unlocks
| OS Name | Description | How to Unlock |
|---|---|---|
| Boost Kick | Unlocks the ability to perform a Boost Kick. Boost Kicks hit with heavy impact by combining the speed of an Assault Boost with the sheer weight of the AC.
Press L3 during Assault Boost: Boost Kick |
Clear Mission 9: Retrieve Combat Logs |
| Weapon Bay | Unlocks the Weapon Bay feature for AC shoulders, allowing up to four hand weapons to be equipped.
With hand weapon equipped to corresponding shoulder: |
Clear Mission 9: Retrieve Combat Logs |
| Weight Control | Unlocks the ability to sortie when AC is overburdened and to manually purge weapons. Purging weapons reduces weight load and improves speed.
Directional Pad ← + R2/L2/R1/L1: Manual Purge |
Clear Mission 9: Retrieve Combat Logs |
| Manual Aiming | Unlocks the ability to perform manual aiming. Allows for manual reticle control, but practical usage calls for experienced technique.
Hold R3: Enable Manual Aiming |
Clear Mission 9: Retrieve Combat Logs |
| Quick Turn | Unlocks the Quick Turn feature, allowing the AC to perform snap turns to side or rear directions.
○ + Tilt Left Analog Stick: Quick Turn |
Clear Mission 9: Retrieve Combat Logs |
Boost Kick
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Boost Kick | 1 |
Weapon Bay
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Weapon Bay | 2 |
Weight Control
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Weight Control | 3 |
Manual Aiming
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Manual Aiming | 2 |
Quick Turn
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Quick Turn | 1 |
OS Tuning – Core Expansions
| Name | Description | Status Upgrades |
|---|---|---|
| Assault Armor | Core Expansion: Assault Armor. Creates a pulse explosion centered on the AC, canceling out incoming enemy fire and creating a damaging area-of-effect shockwave. |
|
| Pulse Armor | Core Expansion: Pulse Armor and allows it to be installed. Pulse Armor creates a pulse barrier that trails the AC, dramatically increasing defensive performance until it exceeds its durability or time limit. |
|
| Pulse Protection | Core Expansion: Pulse Protection. Creates a pulse barrier in a fixed position, providing cover from enemy fire until the barrier reaches its durability limit. The barrier is not permanent and will disappear after time has passed. |
|
| Terminal Armor | Core Expansion: Terminal Armor. An emergency variant of Pulse Armor that trails the AC, activating when the AC has reached critical AP damage. |
|
Assault Armor
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Assault Armor | 1 |
| UPDATE 1 | Additional Charges: Assault Armor | – |
| UPDATE 2 | Additional Charges: Assault Armor | – |
Pulse Armor
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Pulse Armor | 2 |
| UPDATE 1 | Additional Charges: Pulse Armor | – |
Pulse Protection
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Pulse Protection | 3 |
| UPDATE 1 | Additional Charges: Pulse Protection | – |
| UPDATE 2 | Additional Charges: Pulse Protection | – |
Terminal Armor
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Unlocks: Terminal Armor | 5 |
OS Tuning – Attack Control
| OS Name | Description | How to Unlock |
|---|---|---|
| Kinetic Weapons – Fire Control Tuning | Optimizes fire control of AC and weapons to enhance all sources of kinetic damage, excluding melee weapons. | Clear Mission 9: Retrieve Combat Logs |
| Explosive Weapons – Fuse Control Tuning | Optimizes fuse control of AC and weapons to enhance all sources of explosive damage, excluding melee weapons. | Clear Mission 9: Retrieve Combat Logs |
| Energy Weapons – Output Control Tuning | Optimizes power output of AC and weapons to enhance all sources of energy damage, excluding melee weapons. | Clear Mission 9: Retrieve Combat Logs |
| Melee Weapons – Drive Control Tuning | Optimizes drive control of AC and weapons to enhance all sources of melee damage. | Clear Mission 9: Retrieve Combat Logs |
| Direct Hit Modifier – Damage Tuning | Improves the precision of attacks against staggered enemies, increasing damage dealt by direct hits. | Clear Mission 9: Retrieve Combat Logs |
| Access Speed – Optimization | Improves object access speed by optimizing hacking and override functionality. | Clear Mission 9: Retrieve Combat Logs |
| ACS – Dynamic Deflection Control Tuning | Improves the precision of ACS-based bracing posture control, reducing damage received from enemy attacks. | Clear Mission 9: Retrieve Combat Logs |
| Repair Kits – Optimization | Improves the AC’s ability to scan for damage, boosting the effectiveness of Repair Kits. | Clear Mission 9: Retrieve Combat Logs |
Kinetic Weapons – Fire Control Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Kinetic Damage +3% | 2 |
| UPDATE 1 | Kinetic Damage +6% | – |
| UPDATE 2 | Kinetic Damage +9% | – |
| UPDATE 3 | Kinetic Damage +12% | – |
| UPDATE 4 | Kinetic Damage +15% | – |
Energy Weapons – Output Control Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Explosive Damage +3% | 2 |
| UPDATE 1 | Explosive Damage +6% | – |
| UPDATE 2 | Explosive Damage +9% | – |
| UPDATE 3 | Explosive Damage +12% | – |
| UPDATE 4 | Explosive Damage +15% | – |
Energy Weapons – Output Control Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Energy Damage +3% | 2 |
| UPDATE 1 | Energy Damage +6% | – |
| UPDATE 2 | Energy Damage +9% | – |
| UPDATE 3 | Energy Damage +12% | – |
| UPDATE 4 | Energy Damage +15% | – |
Melee Weapons – Drive Control Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Melee Weapon Damage +5% | 2 |
| UPDATE 1 | Melee Weapon Damage +10% | – |
| UPDATE 2 | Melee Weapon Damage +15% | – |
Direct Hit Modifier – Damage Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Direct Hit Damage +5% | 4 |
| UPDATE 1 | Direct Hit Damage +10% | – |
| UPDATE 2 | Direct Hit Damage +15% | – |
Access Speed – Optimization
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Access Speed +50% | 2 |
| UPDATE 1 | Access Speed +100% | – |
ACS – Dynamic Deflection Control Tuning
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Damage Mitigation 3% | 2 |
| UPDATE 1 | Damage Mitigation 6% | – |
| UPDATE 2 | Damage Mitigation 9% | – |
| UPDATE 3 | Damage Mitigation 12% | – |
| UPDATE 4 | Damage Mitigation 15% | – |
Repair Kits – Optimization
| Status | Effect | Cost (OST Chips) |
|---|---|---|
| INSTALL | Repair Kit Effectiveness +500 | 3 |
| UPDATE 1 | Repair Kit Effectiveness +1000 | – |
| UPDATE 2 | Repair Kit Effectiveness +1500 | – |
| UPDATE 3 | Repair Kit Effectiveness +2000 | – |
What is OS Tuning?
Customizable system upgrades you can apply to your AC.
OS Tuning is a new feature in Armored Core 6: Fires of Rubicon (AC6/Armored Core VI) that allows you to improve the performance of your AC via a variety of passive and active performance upgrades. OS Tuning can be done from the Garage.
As you progress through the game’s main story missions, you will unlock new OS Tuning enhancements which allow you to take on toucher foes in the game.
Use OST Chips to upgrade your AC’s OS.
To purchase an upgrade, you will need to spend OST Chips which are rewarded for clearing Arena missions (programs). Many OS Tuning enhancements consist of a series of updates that increase in cost the higher you go up the upgrade line. This means that you may need to spend time farming OST Chips apart from going through the main missions if you want to constantly improve your ACs battle performance.
How to Respec OS Tuning Upgrades
Can be reset using COAM.
To respec your ACs OS Tuning upgrades, press the △ button. You will, however, need to pay the COAM fee if you want to get back all of the OST Chips you spent to unlock upgrades. Note that you do not want to be doing this repeatedly as it is a waste of money so try to plan which upgrades suit your playstyle and AC build before purchasing OS upgrades.
How to Get OST Chips
Clear Arena mode battles.
OST Chips are rewarded for clearing Arena mode battles for the first time. As you go further into the main story, more rival ACs are unlocked in the Arena so try to spend time taking them down to earn as many chips as possible.
Armored Core 6: Fires of Rubicon Arena Program List and Rewards
Other Armored Core 6 Guides
Armored Core 6 Basic Information
Armored Core 6 Walkthrough
| ▼Armored Core 6 Walkthrough |
|---|
| Main Missions List |
| Post-Game Unlockables |
| All Endings Guide |
Armored Core 6 Useful Guides
Armored Core 6 Collectibles Guides
| ▼Armored Core 6 Collectibles Guides | |
|---|---|
| All Part Container List and Locations | All Data Logs List and Locations |
| All Combat Log List and Locations | |
Armored Core 6 AC Parts Guides
| ▼Armored Core 6 AC Parts Guides | |
|---|---|
| All Leg Units Features Summary | Bipedal Leg Units Features |
| Reverse Joint Leg Units Features | Tetrapod Leg Units Features |
| Tank Leg Units Features | |
Armored Core 6 Boss Guides
| ▼Armored Core 6 Boss Guides | |
|---|---|
| How to Beat Balteus | How to Beat Ayre |
| How to Beat Smart Cleaner | |
Armored Core 6 AC Parts Lists
AC Frame Parts
| ▼Armored Core 6 AC Frame Parts | ||
|---|---|---|
| Head |
Core |
Arms |
| Legs |
||
AC Inner Parts
| ▼Armored Core 6 AC Inner Parts | ||
|---|---|---|
| Boosters | FCS | Generator |
AC OS Tuning and AC Expansion Parts
| ▼Armored Core 6 AC Expansion Parts | |
|---|---|
| OS Tuning | Core Expansions |
Armored Core 6 Weapons Lists
Weapons by Slot Type
| ▼Armored Core 6 Weapons (By Slot Type) | |
|---|---|
| Arm Weapons |
Back Weapons |
Weapons by Weapon Type
Armored Core 6: Fires of Rubicon Weapons ListArmored Core 6 Forum
| ▼Armored Core 6 Forum | |
|---|---|
| Chat Board | Question Board |
| Bug Report Board | |
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