| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| B | 
|
Seal Atk 1 | 40 | — | Inflicts Atk-3 on foe through its next action after combat. |
|
Seal Atk 2 | 80 | Seal Atk 1 | Inflicts Atk-5 on foe through its next action after combat. | |
|
Seal Atk 3 | 160 | Seal Atk 2 | Inflicts Atk-7 on foe through its next action after combat. | |
Cannot use: 
| |||||
Available as a Sacred Seal.
Notes
- The stat decrease that can be applied by Seal Atk is considered a
Penalty.
- Any 【Penalty】 on a unit, including Penalties, lasts until that unit takes an action. If the unit takes multiple actions in a turn, they will only have the penalty for their first action.
- If the unit also has Grand Strategy, any Penalties will remain active until the start of that unit's next phase.
- If the unit also has
- Any 【Penalty】 on a unit, including
List of owners
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Seal Atk 1 3  | Seal Atk 2 4  | Seal Atk 3 5  | – |
 | Seal Atk 1 3 | Seal Atk 2 3 | Seal Atk 3 4 | – |
 | Seal Atk 1 3 | Seal Atk 2 4 | Seal Atk 3 5 | – |
 | Seal Atk 1 3 | Seal Atk/Res 1 4 | Seal Atk/Res 2 5 | – |
 | Seal Atk 1 3 | Seal Atk 2 4 | Seal Atk 3 5 | – |
 | Seal Atk 1 5 | Seal Atk 2 5 | Seal Atk 3 5 | Seal Atk 4 5 |
 | Seal Atk 1 3 | Seal Atk/Def 1 4 | Seal Atk/Def 2 5 | – |
Seal acquired from
Tempest Trials reward
- Stepping into the New Year (16 January, 2018 - 23 January, 2018): 6,000 Score.
Sacred Seal Forge
- Seal Atk 1,Seal Atk 2,Seal Atk 3: Create for 20 Great Scarlet Badge, 100 Scarlet Badge, 20 Sacred Coin.
In other languages
| Language | Name |
|---|---|
| Japanese | 攻撃封じ |
| German | Angr. rauben |
| Spanish (Europe) | Sellar Ata |
| Spanish (Latin America) | Sellar Atq. |
| French | Sceau Atq |
| Italian | Sigilla Att |
| Traditional Chinese (Taiwan) | 攻擊封印 |
| Portuguese | Selo Atq. |