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Episode 15
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解 離 結 合
| Episode | Synopsis | Off-Board Checklist | BGM | Gallery |
- This article is about the episode itself. For the episode's release event, see Dissociative Recombination.
Episode 15: Dissociative Recombination
In Other Languages
Chinese
离解复合
Japanese
Korean
해리성 결합
Release Dates
CN
2025/04/07
Global
2025/09/16
TW
2025/10/31
The fifteenth episode of Arknights's Main Theme and the start of the Act III: Nexus Point of Future story arc is titled Dissociative Recombination.
Operations[edit]
All operations (excluding Strategic Simulation versions) are worth 42 
.
Main[edit]
| Operation | Cost | Regular drop | Special drop
|
|---|---|---|---|
15-1 |
INTERLUDE
| ||
| 15-2 | – | – | –
|
| 15-3 | 21 
|
Guaranteed  |
–
|
| 15-4 | 21
|
Rare  |
Very Rare 
|
TR-26 |
– | – | –
|
| 15-5 | 21
|
Rare  |
Very Rare 
|
| 15-6 | 21
|
Rare  |
Very Rare 
|
| 15-7 | 21
|
Rare  |
Very Rare 
|
| 15-8 | 21
|
Guaranteed  |
–
|
| 15-9 | 21
|
Rare  |
Very Rare 
|
| 15-10 | 24
|
Rare  |
Very Rare 
|
| 15-11 | 21
|
Uncommon  |
–
|
| 15-12 | 21
|
Rare  |
Very Rare 
|
| 15-13 | 21
|
Rare  |
Very Rare 
|
| 15-14 | 24
|
Rare  |
Very Rare 
|
| 15-15 | 21
|
Rare  |
–
|
| 15-16 |
INTERLUDE
| ||
| 15-17 | 21
|
Uncommon  |
Very Rare 
|
| 15-18 | 21
|
Rare  |
Very Rare 
|
| 15-19 | – | – | –
|
15-20 |
24
|
Rare  |
Very Rare 
|
| 15-21 |
INTERLUDE
| ||
Extreme Mode[edit]
| Operation | Cost
|
|---|---|
| H15-1 | 10
|
| H15-2 | 10
|
| H15-3 | 10
|
| H15-4 |
10
|
Strategic Simulation[edit]
| Level | Simulation Score | Reward
|
|---|---|---|
| 1 | 2 
|
 1
|
| 2 | 4
|
Unlocks H15-1
|
| 3 | 6
|
Unlocks H15-2
|
| 4 | 8
|
1
|
| 5 | 10
|
Unlocks H15-3
|
| 6 | 12
|
1
|
| 7 | 14
|
Unlocks H15-4
|
| 8 | 16
|
 1
|
| 9 | 18
|
1
|
| 10 | 20
|
1
|
| 11 | 22
|
 1
|
| 12 | 24
|
 1
|
Additions[edit]
New mechanics: Intrusive Call
New terrain: Unauthorized Reconstruction Interface
New devices: Weakening Node
New enemies:
| Normal |       |
|---|---|
| Elite |             |
| Boss |    |
Trivia[edit]
- "Dissociative recombination" is a scientific term in chemistry. It is "a chemical process in which a positive polyatomic ion recombines with an electron, and as a result, the neutral molecule dissociates," and it is important in understanding interstellar and atmospheric chemistry.
- Episode 15's CN release date coincides with the 10th anniversary release of Kal'tsit's concept art as Hai Mao's OC (original character) for the 2015 Pixiv Fantasia T event, long before Arknights was released. For further information, see Kal'tsit's Trivia.
- Episode 15 is the first episode to feature distinct time/region indicators for separate scenes. This feature is also implemented in the Global release, starting from Ending a Grand Overture onwards.
- In the CN version, the operation names for stages 15-17 to 15-20 form a single cohesive sentence. Combined, it says: "她"从未怀疑，从未远离直至，此刻得以重回. The sentence roughly translates to "'She' never doubted, never left until, this moment (she) resurrected."
- The number of Elite Operators who participate in-story is 12, the same number as a full squad of Operators.
- The descriptions of H15-1 to H15-4 are short excerpts from the prose poem On Death by Kahlil Gibran.