This is an article about the rewards list and strategies for clearing the Arena in Armored Core 6 (AC6).

How to Unlock the Arena

First Playthrough

Second Playthrough

Third Playthrough

List of Arena Matches and Rewards

F Rank

Rank	AC	First Clear Rewards
29/F	“Invincible” Rummy, AC: MAD STOMP	35,000 COAM OST Chips ×2
28/F	Index Dunham, AC: BURN PICKAXE	37,000 COAM OST Chips ×2
27/F	G6 Red, AC: HERMIT	40,000 COAM OST Chips ×2

E Rank

Rank	AC	First Clear Rewards
26/E	Nosaac, AC: BITTER PROMISE	43,000 COAM OST Chips ×2
25/E	V.VI Maeterlinck, AC: INFECTION	45,000 COAM OST Chips ×2
24/E	Little Ziyi, AC: YUE YU	47,000 COAM OST Chips ×2
23/E	V.VII Swinburne, AC: GUIDANCE	50,000 COAM OST Chips ×2

D Rank

Rank	AC	First Clear Rewards
22/D	G3 Wu Huahai, AC: LI LONG	52,000 COAM OST Chips ×3
21/D	Ring Freddie, AC: CANDLE RING	54,000 COAM OST Chips ×3
20/D	V.V Hawkins, AC: RECONFIG	56,000 COAM OST Chips ×3
19/D	G5 Iguazu, AC: HEAD BRINGER	58,000 COAM OST Chips ×3
18/D	Rokumonsen, AC: SHINOBI	60,000 COAM OST Chips ×3

C Rank

Rank	AC	First Clear Rewards
17/C	G4 Volta, AC: CANNON HEAD	62,000 COAM OST Chips ×3
16/C	V.VIII Pater, AC: DUAL NATURE	64,000 COAM OST Chips ×3
15/C	Sulla, AC: ENTANGLE	66,000 COAM OST Chips ×3
14/C	“Chatty” Stick, AC: CIRCUS	68,000 COAM OST Chips ×3
13/C	Middle Flatwell, AC: TSUBASA	70,000 COAM OST Chips ×3

B Rank

Rank	AC	First-time Reward
12/B	V.III O’Keeffe, AC: BARREN FLOWER	72,000 COAM OST Chips ×4
11/B	“Cinder” Carla, AC: FULL COURSE	74,000 COAM OST Chips ×4
10/B	Coldcall, AC: DEADSLED	76,000 COAM OST Chips ×4
09/B	V.IV Rusty, AC: STEEL HAZE	78,000 COAM OST Chips ×4
08/B	“Honest” Brute, AC: MILKTOOTH	80,000 COAM OST Chips ×4

A Rank

Rank	AC	First-time Reward
07/A	G2 Nile, AC: DEEP DOWN	83,000 COAM OST Chips ×4
06/A	V.II Snail, AC: OPEN FAITH	85,000 COAM OST Chips ×4
05/A	Chartreuse, AC: UMBER OX	87,000 COAM OST Chips ×4
04/A	Thumb Dolmayan, AC: ASTGHIK	90,000 COAM OST Chips ×4

S Rank

Rank	AC	First-time Reward
03/S	King, AC: ASTER CROWN	95,000 COAM OST Chips ×6
02/S	G1 Michigan, AC: LIGER TAIL	97,000 COAM OST Chips ×6
01/S	V.I Freud, AC: LOCKSMITH	100,000 COAM OST Chips ×6

ANALYSIS (After Clearing The Arena)

Phase	AC	First-time Reward
α‐1	Integration Subject 51-001 K	60,000 COAM OST Chips ×8
α‐2	Analysis Subject 51-011 AL	66,000 COAM OST Chips ×8
α‐3	Integration Subject 51-012 AL	72,000 COAM OST Chips ×8
β‐1	Integration Subject 51-002 K	80,000 COAM OST Chips ×10
β‐2	Analysis Subject 51-013 BE	86,000 COAM OST Chips ×10
β‐3	Analysis Subject 51-014 BE	92,000 COAM OST Chips ×10
γ‐1	Integration Subject 51-003 K	100,000 COAM OST Chips ×15
γ‐2	Analysis Subject 51-015 GA	110,000 COAM OST Chips ×15
γ‐3	Analysis Subject 51-016 GA	120,000 COAM OST Chips ×15
δ‐1	Classified Subject 51-101 R	135,000 COAM
δ‐2	Classified Subject 51-201 W	150,000 COAM
δ‐3	Ayre	170,000 COAM

Best ACs to Clear the Arena With

Use ACs with Treads

In the Arena, battles are one-on-one, and you cannot use repair kits. Therefore, it is recommended to use Tank-type ACs that can combine high firepower and high durability in these battles.

Arena Rewards

Winning Arena Matches Gives You OST Chips

Clearing the Arena allows you to obtain OST chips required for OS tuning. With OS tuning, you can enhance your OS by increasing repair kit effectiveness and reducing damage taken. It's recommended to gradually work on these enhancements as they become available.

Access Enemy's AC Preset Data

Once you defeat an enemy AC in the arena, its preset data becomes available. If you have the parts required by the preset data, then you can build ACs just like the ones you fought.

Get Emblems

Clearing the Arena allows you to obtain emblems. While they don't affect your AC's performance, you can attach them to your AC as bling.

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