| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| S | 
|
Squad Ace O 1 | 30 | — | Grants Atk+1. |
|
Squad Ace O 2 | 60 | Squad Ace O 1 | Grants Atk+2. | |
|
Squad Ace O 3 | 120 | Squad Ace O 2 | Grants Atk+3. | |
| No restrictions. | |||||
Seal acquired from
Squad Assault reward
- Complete the 15th Assault.
Sacred Seal Forge
Squad Ace O 1: Cannot be created.
Squad Ace O 2: Enhance for 60 
Great Scarlet Badge, 200 
Scarlet Badge, 50 
Sacred Coin.
Squad Ace O 3: Enhance for 400 Great Scarlet Badge, 1000 Scarlet Badge, 100 Sacred Coin.
In other languages
| Language | Name |
|---|---|
| Japanese | 第１５迷宮の覇者 |
| German | Überfall-Ass O |
| Spanish (Europe) | As del asalto O |
| Spanish (Latin America) | As del asalto O |
| French | Assaut réussi O |
| Italian | Asso squadra O |
| Traditional Chinese (Taiwan) | 第１５迷宮的霸王 |
| Portuguese | Esquadrão ás O |