| Type | Icon | Name | SP | Required | Description 【Switch】
| |
|---|---|---|---|---|---|---|
| A | 
|
Atk/Def Prime 1 | 60 | — | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 3). | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 3). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance). |
 | Atk/Def Prime 2 | 120 | Atk/Def Prime 1 | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 5). | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 5). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance). | |
 | Atk/Def Prime 3 | 240 | Atk/Def Prime 2 | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 7). | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 7). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance). | |
 | Atk/Def Prime 4 | 300 | Atk/Def Prime 3 | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 9), and also, if number of【Bonus】effects active on unit (excluding stat bonuses) ≥ 4, unit can counterattack regardless of foe's range during combat. | If【Bonus】is active on unit, grants Atk/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 9), and also, if number of【Bonus】effects active on unit (excluding stat bonuses) ≥ 4, unit can counterattack regardless of foe's range during combat. 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance). | |
Cannot use:          | ||||||
Available as a Sacred Seal.
Effects
| Effects | Targets | Conditions |
|---|---|---|
 Atk/Def Prime 3 | ||
| Combat effects | ||
 Atk/Def+X (max: 7)X = 【Bonus】 effects active on  Unit x 2, +3(excluding  Bonuses) | Unit | A 【Bonus】 effect is active on Unit |
 Atk/Def Prime 4 | ||
| Combat effects | ||
| Atk/Def+X (max: 9) X = 【Bonus】 effects active on Unit x 2, +3(excluding Bonuses) | Unit | A 【Bonus】 effect is active on Unit |
 Counter regardless of range | A 【Bonus】 effect is active on Unit& 【Bonus】 effects active on Unit(exc. Bonuses) ≥ 4 | |
Notes
- The stat boost that can be applied during combat by Atk/Def Prime is considered a temporary buff.
- The temporary buffs and counterattack effects of Atk/Def Prime will activate if the user receives a 【Bonus】 effect (excluding Bonuses).
- The temporary buffs and counterattack effects will not be negated if the unit receives a 【Penalty】 effect.
- If the unit does not receive a 【Bonus】 effect (excluding Bonuses), or has their 【Bonus】 effects removed by a source of Bonus effect removal, the temporary buffs and counterattack effects will be negated.
- For more information, see Status effects.
List of owners
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Atk/Def Prime 1 5  | Atk/Def Prime 2 5 | Atk/Def Prime 3 5 | Atk/Def Clear 5 |
 | Atk/Def Prime 1 5 | Atk/Def Prime 2 5 | Atk/Def Prime 3 5 | Atk/Def Prime 4 5 |
 | Atk/Def Prime 1 3  | Atk/Def Prime 2 4  | Atk/Def Prime 3 5 | – |
Availability
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2023-12-14 | 2024-01-14 | Holiday Lessons | Atk/Def Prime 4 |
| 2024-01-30 | 2024-03-05 | Special Hero Summon (Year 7) | Atk/Def Prime 4 |
| 2024-04-11 | 2024-04-25 | Focus: Double Special Heroes | Atk/Def Prime 4 |
| 2024-06-12 | 2024-06-28 | Double AHR: Bottom Height | Atk/Def Prime 4 |
| 2024-08-02 | 2024-09-02 | Hero Fest | Atk/Def Prime 4 |
| 2024-12-25 | 2025-01-04 | Holiday Lessons | Atk/Def Prime 4 |
| 2025-04-17 | 2025-05-06 | 35th Anniv.: Rising Heroes Summon 1 | Atk/Def Prime 4 |
| 2025-12-25 | 2026-01-01 | Winter Festival: ω Special Heroes | Atk/Def Prime 4 |
| 2026-04-07 | 2026-05-07 | Unforgettable | Atk/Def Prime 3 |
Distributed units
- Marni: Pining for Praise (×1)
- Marni: Pining for Praise (×2)
- Use Heroic Grails (×20)
- Grand Hero Battles quest (September 2025) (×1)
Combat Manuals
- This skill has not been available on any distributed Combat Manuals.
Seal acquired from
Tempest Trials reward
- Tempest Trials+: Past King, Future Queen 5 ( – ): 10,000 Score.
Sacred Seal Forge
Atk/Def Prime 1: Create for 20 
Great Verdant Badge, 100 
Verdant Badge, 20 
Sacred Coin.
Atk/Def Prime 2: Enhance for 60 Great Verdant Badge, 200 Verdant Badge, 50 Sacred Coin.- Atk/Def Prime 3: Enhance for 400 Great Verdant Badge, 1000 Verdant Badge, 100 Sacred Coin.
In other languages
| Language | Name |
|---|---|
| English (US) | Atk/Def Prime |
| Japanese | 攻撃守備の備え |
| German | A/V Auftakt |
| Spanish (Europe) | Ata/Def Apresto |
| Spanish (Latin America) | Prep. Atq./Def. |
| French | Prélude Atq/Déf |
| Italian | Zelo Att/Dif |
| Traditional Chinese (Taiwan) | 攻擊防守的準備 |
| Portuguese | Zelo Atq./Def. |