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OST Chips & OS Tuning
Armored Core VI: Fires of Rubicon

OST Chips & OS Tuning

Master OS Tuning in Armored Core VI: Fires of Rubicon. Learn about OST chips, system unlocks, core expansions, and damage/attack control upgrades to enhance your AC's capabilities.

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Master OS Tuning in Armored Core VI: Fires of Rubicon. Learn about OST chips, system unlocks, core expansions, and damage/attack control upgrades to enhance your AC's capabilities.

Enhance your AC's capabilities through the OS Tuning menu using OST chips, acquired from arena battles. There are 197 OST chips available in total. OS Tuning allows for upgrades to Core Expansions, unique abilities, damage/defense modifiers, and health recovery.

System Unlocks

  • Boost Kick: Perform a heavy attack by clicking !L3 during Assault Boost.
  • Weapon Bay: Equip arm weapons on shoulders, activated by !L1 or !R1.
  • Weight Control: Purge weapons by pressing !Left + !L2 / !R2 / !L1 / !R1.
  • Manual Aiming: Hold !R3 to enable manual aiming for increased accuracy.
  • Quick Turn: Perform a fast directional turn by pressing !Circle + !Left Stick.

Core Expansions

  • Assault Armor: Creates a damaging pulse explosion and negates incoming fire when !L3 + !Triangle are pressed.
  • Pulse Protection: Activates a stationary pulse shield when !Triangle + !L3 are pressed.
  • Pulse Armor: Activates a mobile pulse barrier when !Triangle + !L3 are pressed.
  • Terminal Armor: Automatically deploys a pulse barrier to survive when AP reaches 0.

Attack Control

  • Kinetic Weapons - Fire Control Tuning: Increases kinetic weapon damage (Tier 1: +3% to Tier 5: +15%).
  • Explosive Weapons - Fire Control Tuning: Increases explosive weapon damage (Tier 1: +3% to Tier 5: +15%).
  • Energy Weapons - Output Control Tuning: Increases energy weapon damage (Tier 1: +3% to Tier 5: +15%).
  • Melee Weapons - Drive Control Tuning: Increases melee weapon damage (Tier 1: +5% to Tier 3: +15%).
  • Direct Hit Modifier - Damage Tuning: Increases direct hit damage against staggered enemies (Tier 1: +5% to Tier 3: +15%).
  • Access Speed - Optimization: Increases hacking and override access speed (Tier 1: +50% to Tier 2: +100%).

Damage Control

  • ACS - Dynamic Deflection Control Tuning: Reduces incoming damage (Tier 1: +3% to Tier 5: +15%).
  • Repair Kits - Optimization: Improves repair kit effectiveness (Tier 1: +500 AP to Tier 4: +2000 AP).

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