| Event | Synopsis | Gallery | Trivia |
| Due to being a crossover, this event will not be rerunned and/or added to Record Restoration. |
It's Been A While (BW) is the thirteenth Vignette event in Arknights that also acts as a crossover with The Legend of Luo Xiaohei.
Operations[]
Clear 1-10 to access the event operations.
Each interlude costs 1 
to unlock.
| Operations | BW-1 • BW-2 • BW-3 • BW-4 • BW-5 • BW-6 • BW-7 • BW-8 BW-S-1 |
|---|---|
| Interludes | Turn Left, Turn Right • The Walls Have You • Yangni and I • Time of Farewell • Reunited • Chill Out |
- NOTE: Unlike other Vignettes, It's Been A While interludes will not be added to Archives after the event ends!
Operators[]
Luo Xiaohei will gain 50% extra Trust (except from Annihilation).
Nutritional Pet Food Tin[]
During the event, all operations except Challenge Mode, Annihilation, and Inferno Mode operations will award 
Nutritional Pet Food Tin equal to the amount of 
Sanity spent, which can be exchanged for various items at the Stray Animal Shelter.
Stray Animal Shelter[]
The Stray Animal Shelter is open until April 17, 2023.
| Ware | Price | Stock |
|---|---|---|
100 
|
1 | |
 1 |
10
|
6 |
 1 |
100
|
2 |
 1 |
30
|
8 |
 1 |
10
|
40 |
 1 |
200
|
1 |
 1 |
65
|
1 |
 1 |
50
|
2 |
 1 |
25
|
4 |
 1 |
15
|
4 |
 2K |
5
|
10 |
 1 |
5
|
5 |
 2 |
5
|
5 |
 1 |
6
|
5 |
 2 |
6
|
5 |
 4 |
4
|
5 |
 1 |
4
|
5 |
 1 |
30
|
5 |
 10 |
4
|
10 |
1 |
50
|
Unlimited |
10 |
1
|
Unlimited |
Store[]
The following pack is available in the Packs Store until April 21, 2023, which can only be purchased once per account:
| Pack | Content | Price |
|---|---|---|
Strength Gift Package 
|
 13  1 50 100K  5  5  3 |
US$6.99 |
Special Training Package 
|
20  1 25 100K 16  5 |
US$19.99 |
Outfits[]
The following outfits are available in the Outfit Store until April 21, 2023:
| New |
|---|
- NOTE: These outfits cannot be obtained by using
Outfit Voucher!
Miscellaneous[]
[Global] Record Restoration added for the Maria Nearl event.