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Headhunting
- Main article: Headhunting/Banners/Former-2020
The Forging Steel headhunting banner is featured.
Obsidian Festival Bracelet
Collect 
Obsidian Festival Bracelet to claim the following rewards by completing Daily and Event Missions.
| Milestone | Reward(s) |
|---|---|
| 300
|
 3 |
| 600
|
 5 |
| 900
|
 40 |
| 1200
|
 |
| 1500
|
 200 |
| 1800
|
 2 |
| 2100
|
 30 |
| 2400
|
 25 |
| 2700
|
 5 |
| 3000
|
2 |
| 3300
|
 |
| 3600
|
 30K |
| 3900
|
 1 |
| 4200
|
 1 |
| 4500
|
 |
Each excess Obsidian Festival Bracelet will be converted into 20 
(given as an in-game mail) at the end of the event.
Missions
Daily
During the event, the rewards for Daily Missions are changed to the following:
| #0 | 500 |
|---|---|
| #1 |  3 |
| #2 | 1K  2 |
| #3 |  40 |
| #4 | 1 5 |
| #5 | 2K  3 |
| #6 | 50 |
| #7 |  1  5 |
| #8 |  100 |
| #9 |  5 600 |
| #10 | 60 |
Event
| Mission | Reward(s) |
|---|---|
| Spend a total of 800 Sanity | 50 |
| Spend a total of 1600 Sanity | 100 |
| Spend a total of 2400 Sanity | 150 |
| Gain a total of 50000 Operator EXP through training | 50 |
| Gain a total of 100000 Operator EXP through training | 100 |
| Gain a total of 150000 Operator EXP through training | 150 |
| Spend a total of 80000 LMD to train or promote Operators | 50 |
| Spend a total of 160000 LMD to train or promote Operators | 100 |
| Spend a total of 240000 LMD to train or promote Operators | 150 |
| Spend a total of 1000 Credit at the Credit Store | 50 |
| Spend a total of 2000 Credit at the Credit Store | 100 |
| Spend a total of 3000 Credit at the Credit Store | 150 |
| Send 6 Clues to friends | 50 |
| Send 12 Clues to friends | 100 |
| Send 18 Clues to friends | 150 |
| Defeat a total of 1000 enemies in Annihilation stages | 50 |
| Defeat a total of 2000 enemies in Annihilation stages | 100 |
| Defeat a total of 3000 enemies in Annihilation stages | 150 |
| Clear any stage a total of 40 times | 50 |
| Clear any stage a total of 80 times | 100 |
| Clear any stage a total of 120 times | 150 |
| Defeat a total of 3000 enemies | 50 |
| Defeat a total of 6000 enemies | 100 |
| Defeat a total of 10000 enemies | 150 |
| Use Recruitment 10 times in total | 50 |
| Use Recruitment 25 times in total | 100 |
| Use Recruitment 40 times in total | 150 |
| Assign 100 Operators to restore Morale in the Dormitory | 50 |
| Assign 200 Operators to restore Morale in the Dormitory | 100 |
| Assign 300 Operators to restore Morale in the Dormitory | 150 |
| Complete 50 orders | 50 |
| Complete 100 orders | 100 |
| Complete 150 orders | 150 |
| Produce 100 Pure Gold in the Factory | 50 |
| Produce 200 Pure Gold in the Factory | 100 |
| Produce 300 Pure Gold in the Factory | 150 |
| Conduct 1 Clue Exchange | 50 |
| Conduct 2 Clue Exchanges | 100 |
| Conduct 3 Clue Exchanges | 150 |
