The Arknights Terra Wiki is a collaborative, community-maintained wiki. If you notice an issue, please consider making an edit, starting a discussion on the article's talk page, or reaching out via the Arknights Terra Wiki Discord.
Integrated Lookback: Back to Castle
Notice
This event has been released in the Global server. As such, the contents of this page and the related subpages have been archived.
Integrated Lookback: Back to Castle is the second Integrated Lookback event in Arknights that adds new content to Phantom & Crimson Solitaire, the second Integrated Strategies theme.
Crimson Solitaire updates[edit]
The difficulty level is now changed to one used in later I.S. themes, with Calamity Faceoff removed.
- Castle Sightseeing to Formal Investigation 3 will be available for players who haven't yet completed a Formal Investigation run.
- Castle Sightseeing to Formal Investigation 6 will be available for players who have completed a Formal Investigation run.
- Castle Sightseeing to Formal Investigation 9 will be available for players who have completed a Calamity Faceoff run.
"Strategist" Points[edit]
More "Strategist" Points can be obtained by completing general tasks and special tasks that must be done in Phantom & Crimson Solitaire to raise the milestone progress which gives out rewards once at certain Strategist Point thresholds.
For every 150 
"Strategist" Point collected, 1 
Rhodes Island Supplies will be given to the player, up to a limit of 35 Rhodes Island Supplies.
General[edit]
| "Strategist" Point reward
|
150 | 200 | 250 | 300 |
|---|---|---|---|---|
| Mission | Total req.
| |||
| Spend a total of x Sanity | 600 | 1200 | – | 1800
|
| Spend x Credits in the Credit Store | 800 | 1600 | – | 2400
|
| Send x Clues to friends | 4 | 8 | – | 12
|
| Clear any stage x times | 15 | 30 | 45 | 60
|
| Defeat a total of x enemies | 500 | 1000 | 2000 | 3000
|
| Perform Recruitment x times | 10 | 20 | – | 40
|
| Assign x Operators to restore Morale in the Dormitory | 60 | 120 | – | 200
|
| Complete x orders | 30 | 60 | – | 100
|
| During this mission period, conduct x Clue Exchange(s) | 1 | 2 | – | 3
|
| Interact with Operators in the Base to increase their trust x times | 60 | 120 | – | 200
|
Special[edit]
| "Strategist" Point reward
|
100 | 150 | 200 |
|---|---|---|---|
| Mission | Total req.
| ||
| In Integrated Strategies: Phantom & Crimson Solitaire, obtain a total of x plays | 5 | – | 10
|
| Reach x ending(s) in Regular Operations on [Formal Investigation] difficulty in Integrated Strategies: Phantom & Crimson Solitaire | 1 | 2 | 3
|
| Recruit a total of x Operators in Integrated Strategies | 10 | 30 | 50
|
| Clear a total of x floors in Integrated Strategies | 5 | 10 | 15
|
| Clear a total of x Emergency Ops nodes in Integrated Strategies | 5 | 10 | –
|
| Clear a total of x stages while earning a Perfect in Integrated Strategies | 10 | 20 | 30
|
| Obtain a total of x collectibles in Integrated Strategies | – | – | 30
|