| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| B | 
|
Chilling Seal | 300 | — | At start of turn, if unit's HP ≥ 50%, inflicts Atk/Spd-6 on foe on the enemy team with the lowest Def through its next action. (Skill cannot be inherited.) |
|
Chilling Seal II | 300 | Chilling Seal | At start of turn, inflicts Atk/Spd/Def/Res-7 on foes on the enemy team with the lowest Def through their next actions and inflicts Atk/Res-7 on foes within 2 spaces of foes on the enemy team with the lowest Def through their next actions. | |
| This skill can only be equipped by its original unit. | |||||
* Unused restrictions: No restrictions.
Notes[]
- Unit selection takes place after all
Bonuses on allies are removed, and before any new 
Bonuses or Penalties are applied. All other existing Bonuses and Penalties count towards their respective stats during unit selection.
- Chilling Seal does not compare Def stats, so 【Phantom】 effects will not work.
- If multiple units are tied for the lowest Def, each of those units will receive the effect.
- The stat decrease that can be applied by Chilling Seal is considered a Penalty.
- Any 【Penalty】 on a unit lasts until that unit takes an action. If the unit takes multiple actions in a turn, they will only have Penalties 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 lasts until that unit takes an action. If the unit takes multiple actions in a turn, they will only have
List of owners[]
| Unit | Skill chain | |
|---|---|---|
 | Chilling Seal 5  | Chilling Seal II 5 |
In other languages[]
| Language | Name |
|---|---|
| Japanese | 氷の封印 |
| German | Eissiegel |
| Spanish (Europe) | Hechizo gélido |
| Spanish (Latin America) | Hechizo gélido |
| French | Sceau de glace |
| Italian | Sigillo gelante |
| Traditional Chinese (Taiwan) | 冰之封印 |
| Portuguese | Encanto gelado |