The order these unlock in has not been recorded yet, so they are listed as they appear in the source rather than drawn as a tree.
| Research | Effect | Max level | CP at max |
|---|---|---|---|
|
For each Nightfall hero deployed, increases the HP of all Nightfall heroes in the team | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the ATK of all Nightfall heroes in the team | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the DEF of all Nightfall heroes in the team | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the damage dealt by all Nightfall heroes in the team | Lv 5 | 90,000 |
|
Increases Nightfall Hero Troop Capacity | Lv 5 | 90,000 |
|
Increases Nightfall Hero HP | Lv 10 | 175,000 |
|
Increases Nightfall Hero ATK | Lv 10 | 175,000 |
|
Increases Nightfall Hero DEF | Lv 10 | 175,000 |
|
DMG Dealt by Nightfall Heroes Increase | Lv 5 | 90,000 |
|
Nightfall heroes gain additional DMG Reduction in battle | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the ATK of all Nightfall heroes in the team | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the DEF of all Nightfall heroes in the team | Lv 10 | 175,000 |
|
For each Nightfall hero deployed, increases the damage dealt by all Nightfall heroes in the team | Lv 5 | 90,000 |
|
Increases Nightfall Hero Troop Capacity | Lv 5 | 90,000 |
|
Increases Nightfall Hero HP | Lv 10 | 175,000 |
|
Increases Nightfall Hero ATK | Lv 10 | 175,000 |
|
Increases Nightfall Hero DEF | Lv 10 | 175,000 |
|
DMG Dealt by Nightfall Heroes Increase | Lv 5 | 90,000 |
|
Nightfall heroes gain additional DMG Reduction in battle | Lv 10 | 175,000 |
Fully levelled, this category is worth 2,815,000 CP.