The Great Chief Returns
| Event | Rerun | Synopsis | Medals | BGM | OST | Gallery | Trivia |
| This event has been released in the Global server of Arknights and its relevant stories and operations are now available in the Archives and Terminal, respectively. As such, the content of this page and the related subpages have been archived. |
The Great Chief Returns (RI) is the sixth major event and fifth Side Story in Arknights. It also includes the first season of Integrated Strategies, Ceobe's Fungimist.
Operations
Clear 1-10 to access RI operations.
| Great Chief's Path | RI-1 • RI-2 • RI-TR-1 • RI-3 • RI-4 • RI-ST-1 • RI-5 • RI-6 • RI-ST-2 • RI-7 • RI-8 • RI-9 |
|---|---|
| Gavial's Footprints | RI-EX-1 • RI-EX-2 • RI-EX-3 • RI-EX-4 • RI-EX-5 • RI-EX-6 • RI-EX-7 • RI-EX-8 |
| Addendum | |
| |
Operators
The following Operators will gain 50% more Trust (except from Annihilation):
    |
Headhunting
- Main article: Headhunting/Banners/Former-2021
The Heart of Steel, the Rage Ironhide headhunting banner is featured.
Mechanical Parts
- Main article: Mechanical Parts
The best RI operations to farm Mechanical Parts are RI-6, RI-7, and RI-8 due to their high 
Orirock Cluster, 
Sugar Pack, and 
RMA70-12 drop rates, respectively.
The Brave's Trials
The Brave's Trials rewards can be claimed until March 18, 2021.
| Mission | Reward(s) | ||
|---|---|---|---|
| Clear RI-1. |  20 | ||
| Clear RI-2. | 20 | ||
| Clear RI-3. | 20 | ||
| Clear RI-3 with 3 stars. |  | ||
| Clear RI-4. |
| ||
| Clear RI-5. | 40 | ||
| Clear RI-5 with 3 stars. |  | ||
| Clear RI-6. | 40 | ||
| Clear RI-6 with 3 stars. |  | ||
| Clear RI-7. | 60 | ||
| Clear RI-7 with 3 stars. |  | ||
| Clear RI-8. | 60 | ||
| Clear RI-8 with 3 stars. |  | ||
| Clear RI-EX-1. | 60 | ||
| Clear RI-EX-2. |  | ||
| Clear RI-EX-3. | 60 | ||
| Clear RI-EX-4. |  | ||
| Clear RI-EX-5. | 60 | ||
| Clear RI-EX-6. | 60 | ||
| Clear RI-EX-7. | 60 | ||
| Clear RI-EX-8. | 60 | ||
| Clear RI-EX-8's Challenge Mode. |  | ||
| Defeat 800 enemies across all RI operations except RI-TR-1. | 60 | ||
| Defeat 3000 enemies across all RI operations except RI-TR-1. | 80 | ||
| Defeat 6000 enemies across all RI operations except RI-TR-1. | 100 |
Inam Committee
To buy all items with limited stock from the Inam Committee, the player must spend 5219 
.
The Brave's Trials give up to 900 while first clear rewards of RI operations give up to 940 , thus requiring the player to farm an additional 3379 from RI operations.
The Inam Committee is open until March 18, 2021.
| Ware | Price | Stock |
|---|---|---|
 1 |
200
|
1 |
1 |
240
|
1 |
1 |
280
|
1 |
1 |
320
|
1 |
1 |
360
|
1 |
 1 |
150
|
3 |
 1 |
100
|
5 |
 1 |
45
|
4 |
 1 |
40
|
4 |
 1 |
40
|
4 |
 1 |
40
|
4 |
 1 |
35
|
4 |
 |
100
|
1 |
 |
100
|
1 |
 |
60
|
1 |
|
30
|
2 |
|
30
|
4 |
 1 |
12
|
8 |
 1 |
10
|
8 |
 1 |
10
|
8 |
 5K |
7
|
80 |
 2 |
5
|
25 |
 2 |
3
|
50 |
 2 |
1
|
80 |
 1 |
4
|
20 |
 1 |
2
|
35 |
 1 |
5
|
10 |
 1 |
4
|
10 |
 1 |
3
|
10 |
 1 |
6
|
4 |
 10 |
2
|
50 |
20 |
1
|
∞ |
Outfits
The following outfits are available in the Outfit Store until March 18, 2021:
| New |    |
|---|---|
| Old |    |
Furniture
The Tribal-Style Inn furniture theme is available; some of its parts are awarded from The Brave's Trials missions while others are available in the Inam Committee (see above) and Furniture Store until March 18, 2021.