Armored Core 6: Fires of Rubicon - Best Early Game AC Builds (Chapter 1 and Chapter 2)

Best Builds for Early Game Bosses Armored Core 6: Fires of Rubicon

Below is a list of AC builds when facing early-game boss enemies in Armored Core 6: Fires of Rubicon (AC6/Armored Core VI), including each build’s feature and strategies.

For a list of AC6 weapon parts, check the link below:

Armored Core 6: Fires of Rubicon Weapon Part List and Guides

For a list of AC6 frame parts, check the link below:

Armored Core 6: Fires of Rubicon Frame Part List and Guides

For a list of AC6 bosses and guides, check the link below:

Armored Core 6: Fires of Rubicon Boss List and Guides

Chapter 1 Best AC Builds

HA-T-102 Juggernaut Boss Early Game AC Build (Mission 08: Operation Wallclimber)

AC Build Features and Strategies

• Mainly use the initial equipment and parts during training mode.
• Plasma Rifle has a consistent firepower.
• Vertical Missiles damage accumulates over time when HA-T-102 Juggernaut’s head is targeted.
• Pulse Blade damage increases when HA-T-102 Juggernaut is staggered.
• Always fly over the boss and deal damage from above or behind.

AC Build Breakdown

Slot	Type	Part Name	How to Get
R-Arm Unit	Pulse Gun	Vvc-760PR	Parts Shop: 202,000 COAM
L-Arm Unit	Pulse Blade	HI-32: BU-TT/A	Initial Equipment
R-Back Unit	8 Twin Vertical Missiles	BML-G1/P20MLT-04	Initial Equipment
R-Back Unit	Plasma Missiles	Vvc-70VPM	Parts Shop: 96,000 COAM
Head	Head	HC-2000 Finder Eye	Initial Equipment
Core	Core	CC-2000 Orbiter	Initial Equipment
Arms	Arm	AC-2000 Tool Arm	Initial Equipment
Legs	Leg	2C-2000 Crawler	Initial Equipment
Booster	Booster	ALULA/21E	Clear Training Assembly
FCS	FCS	FC-006 Abbot	Clear Training Assembly
Generator	Generator	VP-20S	Clear Training Assembly
Extension	Core Extension	Any	OS Tuning: 1-3 OST Chip

AAP07 Balteus Boss Early Game AC Build

AC Build Features and Strategies

• Mission 11: Attack the Watchpoint.
• Pulse Gun can disable barriers.
• Vertical Missiles can be equipped easily.
• Avoid missiles through the boost part while using Pulse Blade to damage the enemy.
• Change in AC frame.
• Almost the same build when facing the previous boss, HA-T-102 Juggernaut.

AC Build Breakdown

Slot	Type	Part Name	How to Get
R-Arm Unit	Pulse Gun	HI-16: GU-Q1	Parts Shop: 90,000 COAM
L-Arm Unit	Pulse Blade	HI-32: BU-TT/A	Initial Equipment
R-Back Unit	8 Twin Vertical Missiles	BML-G1/PO3VTC-08	Parts Shop: 112,000 COAM
R-Back Unit	Plasma Missiles	Vvc-70VPM	Parts Shop: 96,000 COAM
Head	Head	HD-011 Melander	Parts Shop: 75,000 COAM
Core	Core	VP-40S	Parts Shop: 354,000 COAM
Arms	Arm	04-101 Mind Alpha	Get Hunter Class 01.
Legs	Leg	DF-LG-08 Tian-Qiang	Parts Shop: 350,000 COAM
Booster	Booster	ALULA/21E	Clear Training Assembly
FCS	FCS	FC-006 Abbot	Clear Training Assembly
Generator	Generator	VP-20S	Clear Training Assembly
Extension	Core Extension	Any	OS Tuning: 1-3 OST Chip

Armored Core 6: Fires of Rubicon Balteus Boss Guide

Chapter 2 Best AC Builds

EC-0804 Smart Cleaner Boss Early Game AC Build (Mission 12: Infiltrate Grid 086)

AC Build Features and Strategies

• Mission 12: Infiltrate Grid 086.
• Having a four-legged frame is advantageous against the boss.
• Both arms are equipped with powerful bazooka and grenade weapons.
• Same laser cannon on both sides.
• Same overall AC frame except for the legs and generator.
• Generator changed due to the heavy weapons loaded.

AC Build Breakdown

Slot	Type	Part Name	How to Get
R-Arm Unit	Bazooka	DF-BA-06 Xuan-Ge	Parts Shop: 70,000 COAM
L-Arm Unit	Grenade	DF-GR-07 Gou-Chen	Clear Training Quadrupled
R-Back Unit	Laser Cannon	VP-60LCS	Parts Shop: 147,000 COAM
R-Back Unit	Laser Cannon	VP-60LCS	Parts Shop: 147,000 COAM
Head	Head	HD-011 Melander	Parts Shop: 75,000 COAM
Core	Core	VP-40S	Parts Shop: 354,000 COAM
Arms	Arm	04-101 Mind Alpha	Get Hunter Class 01.
Legs	Leg	VP-424	Parts Shop: 313,000 COAM
Booster	Booster	ALULA/21E	Clear Training Assembly
FCS	FCS	FC-006 Abbot	Clear Training Assembly
Generator	Generator	VP-20D	Parts Shop: 416,000 COAM
Extension	Core Extension	Any	OS Tuning: 1-3 OST Chip

Armored Core 6: Fires of Rubicon Smart Cleaner Boss Guide

IA-13 Sea Spider Boss Early Game AC Build (Mission 14: Ocean Crossing)

AC Build Features and Strategies

• Mission 14: Ocean Crossing encounter.
• DF-LG-08 features high defense and loading capacity.
• An overall defense-centric AC frame.
• Having a four-legged frame is advantageous against the boss.
• Stagger the boss using the bazooka from the right arm and grenade cannons from both shoulders.
• While staggered, deal heavy damage using the Pile Bunker charge attack.
• Use Assault Boost when attempting to use a Pile Buker from the air during the second half of the battle.

AC Build Breakdown

Slot	Type	Part Name	How to Get
R-Arm Unit	Bazooka	44-141 JVLN Alpha	Parts Shop: 70,000 COAM
L-Arm Unit	Pile Bunker	PB-033M ASHMEAD	Clear Training Quadrupled
R-Back Unit	Grenade Cannon	Songbirds	Parts Shop: 147,000 COAM
R-Back Unit	Grenade Cannon	Songbirds	Parts Shop: 147,000 COAM
Head	Head	HC-3000 Wrecker	Parts Shop: 75,000 COAM
Core	Core	DF-BD-08 Tian-Qiang	Parts Shop: 354,000 COAM
Arms	Arm	DF-AR-08 Tian-Qiang	Get Hunter Class 01.
Legs	Leg	DF-LG-08 Tian-Qiang	Parts Shop: 313,000 COAM
Booster	Booster	ALULA/21E	Clear Training Assembly
FCS	FCS	FCS-G2/P05	Clear Training Assembly
Generator	Generator	VP-20S	Parts Shop: 416,000 COAM
Extension	Core Extension	Any	OS Tuning: 1-3 OST Chip

Other Armored Core 6 Guides

Armored Core 6 Basic Information

Armored Core 6 Walkthrough

Armored Core 6 Useful Guides

Armored Core 6 Collectibles Guides

Armored Core 6 AC Parts Guides

Armored Core 6 Boss Guides

Armored Core 6 AC Parts Lists

AC Frame Parts

▼Armored Core 6 AC Frame Parts
Head	Core	Arms
Legs

AC Inner Parts

AC OS Tuning and AC Expansion Parts

Armored Core 6 Weapons Lists

Weapons by Slot Type

▼Armored Core 6 Weapons (By Slot Type)
Arm Weapons	Back Weapons

Weapons by Weapon Type

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