| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| C | 
|
Atk/Def Oath 1 | 60 | — | At start of turn, if unit is adjacent to an ally, grants Atk/Def+3 to unit for 1 turn. |
|
Atk/Def Oath 2 | 120 | Atk/Def Oath 1 | At start of turn, if unit is adjacent to an ally, grants Atk/Def+4 to unit for 1 turn. | |
|
Atk/Def Oath 3 | 240 | Atk/Def Oath 2 | At start of turn, if unit is adjacent to an ally, grants Atk/Def+5 to unit for 1 turn. | |
|
Atk/Def Oath 4 | 300 | Atk/Def Oath 3 | At start of turn, if unit is within 2 spaces of an ally, grants Atk/Def+6 and the following status to unit for 1 turn: "Unit can move to a space adjacent to any ally within 2 spaces." If unit is within 2 spaces of an ally, grants Atk/Def+3 to unit during combat. | |
Cannot use:  
| |||||
Effects
| Effects | Targets | Conditions |
|---|---|---|
 Atk/Def Oath 3 | ||
| Status effects | ||
 Atk/Def+5 |  Unit | At start of turn if Unit is adjacent to an Ally |
 Atk/Def Oath 4 | ||
| Status effects | ||
| Atk/Def+6 | Unit | At start of turn if Unit iswithin 2 spaces of an Ally |
 Air Orders | ||
| Combat effects | ||
 Atk/Def+3 | Unit | Unit is within 2 spaces of an Ally |
Notes
- The stat increase that can be applied by Atk/Def Oath is considered a Bonus.
- Atk/Def Oath 4 applies the Air Orders status effect.
- Any 【Bonus】 on a unit lasts until the start of that unit's next phase. If Air Orders is acquired during the enemy phase, it will disappear when the next player phase begins.
- Any 【Bonus】 on a unit lasts until the start of that unit's next phase. If
- Warping counts as the unit's move for the turn. The unit can still perform an attack, an Assist, or a structure destruction after warping.
- Warping is unaffected by movement preventing effects, Divine Vein effects,
Stall, 
Gravity, 
Traverse Terrain, and 【Pathfinder】. - Warping can be obstructed by warp preventing effects unless the warping unit has a Pass effect, or warps using a camp, a fortress, or sigils.
- Warping is unaffected by movement preventing effects, Divine Vein effects,
- The stat increase that can be applied by Atk/Def Oath 4 is considered a temporary buff.
List of owners
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Atk/Def Oath 1 5  | Atk/Def Oath 2 5 | Atk/Def Oath 3 5 | – |
 | Atk/Def Oath 1 4  | Atk/Def Oath 2 4 | Atk/Def Oath 3 5 | – |
 | Atk/Def Oath 1 5 | Atk/Def Oath 2 5 | Atk/Def Oath 3 5 | Atk/Def Oath 4 5 |
 | Atk/Def Oath 1 3  | Atk/Def Oath 2 4 | Atk/Def Oath 3 5 | – |
 | Atk/Def Oath 1 4 | Atk/Def Oath 2 4 | Atk/Def Oath 3 5 | – |
Availability
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2019-11-28 | 2019-12-05 | Mythic Heroes - Altina | Atk/Def Oath 3 |
| 2020-03-31 | 2020-04-10 | Mythic Hero - Bramimond | Atk/Def Oath 3 |
| 2020-07-30 | 2020-08-06 | Mythic Heroes - Hel | Atk/Def Oath 3 |
| 2021-02-26 | 2021-03-05 | Legendary Heroes - Claude | Atk/Def Oath 3 |
| 2021-09-30 | 2021-10-07 | Mythic Heroes - Ótr | Atk/Def Oath 3 |
| 2022-04-28 | 2022-05-12 | Mythic Heroes - Medeus | Atk/Def Oath 3 |
| 2022-07-19 | 2022-08-09 | Special Summon: Ymir & More | Atk/Def Oath 3 |
| 2023-01-14 | 2023-01-28 | Legendary & Mythic Hero Remix | Atk/Def Oath 3 |
| 2023-04-03 | 2023-04-11 | Special Revival: Ymir & More | Atk/Def Oath 3 |
| 2023-07-13 | 2023-07-27 | Legendary & Mythic Hero Remix 2 | Atk/Def Oath 3 |
| 2023-08-13 | 2023-08-16 | Special Revival: Ymir & More | Atk/Def Oath 3 |
| 2024-01-19 | 2024-02-19 | Nabata's Shield | Atk/Def Oath 4 |
| 2024-02-11 | 2024-02-25 | Legendary & Mythic Hero Remix 2 | Atk/Def Oath 3 |
| 2024-08-12 | 2024-08-26 | Legendary & Mythic Hero Remix 1 | Atk/Def Oath 3 |
| 2024-10-22 | 2024-11-05 | Focus: Double Special Heroes | Atk/Def Oath 4 |
| 2025-01-21 | 2025-02-01 | Nabata's Shield | Atk/Def Oath 4 |
| 2025-02-25 | 2025-03-07 | 8th Anniv. "12 Luminaries" 3 | Atk/Def Oath 4 |
| 2025-03-11 | 2025-03-25 | Legendary & Mythic Hero Remix 2 | Atk/Def Oath 3 |
Distributed units
- Tempest Trials+: Life & Death 5 (×1)
- Tempest Trials+: Life & Death 5 (×1)
- A Hero Rises 2020 (×1)
- Tempest Trials+: Togetherness (×1)
- Tempest Trials+: Togetherness (×1)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2022-06-07T03:00:00Z | 2022-07-28T06:59:59Z | Kyza: Tiger of Fortune | Divine Code: Ephemera 6 |
| 2023-05-08T09:00:00Z | 2023-06-28T06:59:59Z | Haar: Tempest Runner | Divine Code: Ephemera 5 |
| 2023-12-06T05:00:00Z | 2024-01-28T06:59:59Z | Kamui: Wandering Blade | Divine Code: Ephemera 12 |
| 2024-03-06T05:00:00Z | Juno: Nimble Grace | Divine Code: Part 5 |
Seal acquired from
Tempest Trials reward
- Tempest Trials+: Past King, Future Queen 3 ( – ): 20,000 Score.
Sacred Seal Forge
Atk/Def Oath 1: Create for 20 
Great Verdant Badge, 100 
Verdant Badge, 40 
Sacred Coin.
Atk/Def Oath 2: Enhance for 60 Great Verdant Badge, 200 Verdant Badge, 50 Sacred Coin.- Atk/Def Oath 3: Enhance for 400 Great Verdant Badge, 1000 Verdant Badge, 100 Sacred Coin.
In other languages
| Language | Name |
|---|---|
| English (US) | Atk/Def Oath |
| Japanese | 攻撃守備の信義 |
| German | Agr./Ver.-Eid |
| Spanish (Europe) | Lealtad Ata/Def |
| Spanish (Latin America) | Pacto Atq./Def. |
| French | Vœu Atq/Déf |
| Italian | Lealtà Att/Dif |
| Traditional Chinese (Taiwan) | 攻擊防守的信義 |
| Portuguese | Pacto Atq./Def. |