| Type | Icon | Name | SP | Required | Description [Collapse]
| |
|---|---|---|---|---|---|---|
| S | 
|
Blade Seal | 0 | — | When the holder of this seal is defeated, restores 10 HP to unit that defeats holder, inflicts Special cooldown count+1 on that unit after combat, and a【Special Blade】drops. | When the holder of this seal is defeated, restores 10 HP to unit that defeats holder, inflicts Special cooldown count+1 on that unit after combat, and a【Special Blade】drops. 【Special Blade】 Enables use of Specials for all allies. |
| No restrictions. | ||||||
Available as a Sacred Seal.
Notes[ | ]
- Blade Seal triggers before after combat Specials such as
Galeforce and Røkkr AoE Specials. - Cooldown count changes from skills that activate at the same time as Blade Seal (after combat) are not considered in Blade Seal's conditions. Skills such as
Special Spiral 4, 
Time's Pulse 4, and Pulse Smoke 3 will have their effects stack. - The Special Blade dropped by Blade Seal is lost after the current Resonant Battles attempt, and cannot be saved up for another attempt or an Arena Assault+ run.
Seal acquired from[ | ]
- This is a Resonant Battles exclusive Sacred Seal. It is exclusively equipped by Enemy Thieves in Resonant Battles.
Sacred Seal Forge[ | ]
- Blade Seal: Cannot be created.
In other languages[ | ]
| Language | Name |
|---|---|
| Japanese | 盗賊の偶像・奥義 |
| German | Klingensiegel |
| Spanish (Europe) | Espada forajida |
| Spanish (Latin America) | Espada forajida |
| French | Sceau lame |
| Italian | Sigillo lama |
| Traditional Chinese (Taiwan) | 盜賊的偶像・奧義 |
| Portuguese | Selo lâmina |