| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| B | 
|
Seal Atk/Def 1 | 100 | Seal Atk 1 Seal Def 1 |
Inflicts Atk/Def-3 on foe through its next action after combat. |
|
Seal Atk/Def 2 | 200 | Seal Atk/Def 1 | Inflicts Atk/Def-5 on foe through its next action after combat. | |
Cannot use: 
| |||||
Notes[ | ]
- The
Penalty is triggered regardless if Seal Atk/Def's user performs an attack during combat. If foe engages and user cannot counterattack, Seal Atk/Def's Penalty will still trigger. - Seal Atk/Def's user needs to survive the combat for the Penalty to trigger.
- The stat decrease that can be applied by Seal Atk/Def 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 Def 1 5  | Seal Atk/Def 1 5 | Seal Atk/Def 2 5 |
 | Seal Atk 1 3  | Seal Atk/Def 1 4  | Seal Atk/Def 2 5 |
Availability[ | ]
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2017-08-15 | 2017-08-31 | New Heroes: The Sacred World | Seal Atk/Def 2 |
| 2017-09-07 | 2017-09-13 | Focus: Ephraim and Eirika's Battle | Seal Atk/Def 2 |
| 2018-01-31 | 2018-02-05 | Legendary Heroes: Ike | Seal Atk/Def 2 |
| 2018-02-28 | 2018-03-05 | Legendary Heroes - Ephraim | Seal Atk/Def 2 |
| 2018-03-29 | 2018-04-03 | Legendary Heroes - Robin | Seal Atk/Def 2 |
| 2018-05-01 | 2018-05-08 | Legendary Heroes - Lyn | Seal Atk/Def 2 |
| 2018-06-28 | 2018-07-05 | Legendary Heroes - Hector | Seal Atk/Def 2 |
| 2018-09-28 | 2018-10-05 | Legendary Heroes - Tiki | Seal Atk/Def 2 |
| 2019-01-30 | 2019-02-06 | Legendary Heroes - Duma | Seal Atk/Def 2 |
| 2019-02-13 | 2019-02-23 | Focus: New Power 1 | Seal Atk/Def 2 |
| 2019-04-27 | 2019-05-07 | Legendary Heroes - Alm | Seal Atk/Def 2 |
| 2019-08-28 | 2019-09-04 | Legendary Heroes - Julia | Seal Atk/Def 2 |
| 2019-12-25 | 2020-01-06 | Legendary Heroes - Celica | Seal Atk/Def 2 |
| 2020-02-04 | 2020-02-05 | Focus: Ephraim and Eirika's Battle | Seal Atk/Def 2 |
| 2020-07-30 | 2020-08-06 | Mythic Heroes - Hel | Seal Atk/Def 2 |
| 2021-02-12 | 2021-02-19 | Legendary Hero Remix | Seal Atk/Def 2 |
| 2021-07-22 | 2021-07-29 | Legendary Hero Remix | Seal Atk/Def 2 |
| 2022-03-14 | 2022-03-22 | Legendary Hero Remix | Seal Atk/Def 2 |
| 2022-04-30 | 2022-05-10 | Focus: Chivalric Struggle 1 | Seal Atk/Def 2 |
| 2022-11-14 | 2022-11-28 | Legendary & Mythic Hero Remix | Seal Atk/Def 2 |
| 2023-03-13 | 2023-03-27 | Legendary & Mythic Hero Remix 2 | Seal Atk/Def 2 |
| 2023-11-24 | 2023-12-15 | Focus: Hall of Forms | Seal Atk/Def 2 |
| 2024-03-11 | 2024-03-25 | Legendary & Mythic Hero Remix 1 | Seal Atk/Def 2 |
Distributed units
- Xenologue 3: The People's Hero (×1)
- Three Heroes quest (October 2019) (×1)
- Three Heroes quest (October 2022) (×1)
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2021-02-04T03:00:00Z | 2021-03-28T06:59:59Z | Seth: Silver Knight | Divine Code: Ephemera 2 |
In other languages[ | ]
| Language | Name |
|---|---|
| English (US) | Seal Atk/Def |
| Japanese | 攻撃守備封じ |
| German | Agr./Ver.-Raub |
| Spanish (Europe) | Sellar Ata/Def |
| Spanish (Latin America) | Sellar Atq./Def. |
| French | Sceau Atq/Déf |
| Italian | Sigilla Att/Dif |
| Traditional Chinese (Taiwan) | 攻擊防守封印 |
| Portuguese | Selo Atq./Def. |