| Event | Rerun | Synopsis | Medals | OST | Gallery | Trivia |
Twilight of Wolumonde (TW) is the fourth[note 1] major event and Side Story in Arknights.
Operations[]
Clear 1-10 to access TW operations.
| Capitol Spire | TW-ST-1 • TW-1 • TW-2 • TW-TR-1 • TW-3 • TW-4 • TW-5 • TW-6 • TW-7 • TW-8 • TW-ST-2 |
|---|---|
| Silent Frontier | TW-EX-1 • TW-EX-2 • TW-EX-3 • TW-EX-4 • TW-EX-5 • TW-EX-6 • TW-EX-7 • TW-EX-8 |
| Winterwisp Way | TW-MO-1 |
| Occupied Area | TW-S-1 • TW-S-2 |
Silent Frontier operations and Winterwisp Way are accessible in the second week.
All TW operations are worth 32 
.
Operators[]
The following Operators will gain 50% more Trust (except from Annihilation):
Headhunting[]
- Main article: Headhunting/Banners/Former/2020
The Lisa of the Valley headhunting banner is featured.
Collectibles[]
Aristocrat's Antique Aureus[]
All TW operations award 
Aristocrat's Antique Aureus when cleared, with more being given when the player clears the operation for the first time. Occupied Area, Silent Frontier, and Winterwisp Way operation(s) only award Aristocrat's Antique Aureus when cleared for the first time.
Aristocrat's Antique Aurei can be exchanged for various items in the August Store (see below).
The best TW operations to farm Aristocrat's Antique Aurei are TW-6, TW-7, and TW-8 due to their high 
Incandescent Alloy, 
Aketon, and 
Grindstone drop rates, respectively.
Wolumode Search Warrant[]
Decipher the Diary entries (see below) and fulfill the condition described by the respective entry to receive 
Wolumonde Search Warrant to unlock secret TW operations.
Burnt Offerings[]
Missions[]
The rewards can be claimed until November 18, 2020.
| Mission | Reward | ||
|---|---|---|---|
| Clear TW-1. |  20 | ||
| Clear TW-2. | 20 | ||
| Clear TW-3. | 30 | ||
| Clear TW-3 with 3 stars. |  | ||
| Clear TW-4. |
| ||
| Clear TW-5. | 40 | ||
| Clear TW-5 with 3 stars. |  | ||
| Clear TW-6. | 40 | ||
| Clear TW-6 with 3 stars. |  | ||
| Clear TW-7. | 50 | ||
| Clear TW-7 with 3 stars. |  | ||
| Clear TW-8. | 50 | ||
| Clear TW-8 with 3 stars. |  | ||
| Clear TW-EX-1. | 40 | ||
| Clear TW-EX-2. | 40 | ||
| Clear TW-EX-3. | 40 | ||
| Clear TW-EX-4. | 60 | ||
| Clear TW-EX-5. | 60 | ||
| Clear TW-EX-6. | 60 | ||
| Clear TW-EX-7. | 80 | ||
| Clear TW-EX-8. | 80 | ||
| Clear TW-EX-8's Challenge Mode. |  | ||
| Defeat 800 enemies across all TW operations except TW-TR-1. | 40 | ||
| Defeat 4000 enemies across all TW operations except TW-TR-1. | 60 | ||
| Defeat 8000 enemies across all TW operations except TW-TR-1. | 100 |
Diary[]
| # | Description | Reward |
|---|---|---|
| 1 | Things happen suddenly, and thus I write: This is the first time the nine-tailed child join the battle. By harnessing her unique Arts, the enemy will never be able to touch these devices. Deciphered: Clear TW-4 with 3 stars and without any L-44 Gramophones captured by enemies. |
 1 |
| 2 | Do not rely on any external power. They will only tarnish the purity of your Arts. At the moment anger boils over, discard the power of the devices and make your stand. Deciphered: Clear TW-6 with 3 stars and without capturing any Gramophones. |
1 |
| 3 | The morning mist compels the guilt. The stones of Wolumonde congregate, then disintegrate. Until 20 Colossi are returned to the earth, the land shall know no respite. Deciphered: Defeat a total of 20 Mudrock Colossi. |
1 |
| 4 | Beneath the Capitol Spire, Mudrock's Sarkaz decide to act. A tongue of flame laps at the whole town. But in front of the gates, no more than 6 people stand guard. |
1 |
| 5 | At the end of it all, consciousness began to escape from my mind. I saw the town I once hated riddled with holes, but this brought me no joy. The ones left behind continue their search into the wilderness, and find a new conflict. There, I see three wandering giants. I see our mountain. Deciphered: Clear the Tribulation Mode of TW-S-1. |
1 |
August Fair[]
To buy all items with limited stock from the August Fair, the player must spend 6344 
.
Burnt Offerings missions give up to 940 while first clear rewards of TW operations give up to 1360 , thus requiring the player to farm an additional 4044 from TW operations.
The August Fair is open until November 18, 2020.
| 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 |
40
|
10 |
 1 |
40
|
10 |
 1 |
35
|
10 |
 |
150
|
1 |
 |
100
|
1 |
 |
100
|
1 |
 |
100
|
1 |
 |
50
|
2 |
 1 |
15
|
10 |
 1 |
10
|
15 |
 5K |
7
|
100 |
 2 |
5
|
25 |
 2 |
3
|
50 |
 2 |
1
|
120 |
 1 |
4
|
25 |
 1 |
2
|
50 |
 1 |
4
|
25 |
 1 |
4
|
25 |
 1 |
3
|
25 |
 1 |
6
|
4 |
 10 |
2
|
200 |
20 |
1
|
Unlimited |
Login Event[]
From October 30, 2020 to November 9, 2020, sign in to the game to receive the following rewards:
| Day 1 |
| ||
|---|---|---|---|
| Day 2 |  1  5 | ||
| Day 3 | 15  4 | ||
| Day 4 | 1 4 | ||
| Day 5 |  200 10 | ||
| Day 6 |  1 10 | ||
| Day 7 |
Outfits[]
The following outfits are available in the Outfit Store:
| New |
|---|
Furniture[]
The Leithanian Nights furniture theme is available; some of its parts are awarded from the Burnt Offerings missions while others are available in the August Fair (see above) and Furniture Store.
Notes[]
- ↑ Fifth in the CN server