| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| C | 
|
Joint Drive Def | 300 | Drive Def 2 | Grants Def+4 to allies within 2 spaces during combat. If unit is within 2 spaces of an ally, grants Def+4 to unit during combat. |
| No restrictions. | |||||
Effects
| Effects | Targets | Conditions |
|---|---|---|
| Combat effects | ||
 Def+4 |  Allieswithin 2 spaces | — |
| Def+4 |  Unit | Unit is within 2 spaces of an Ally |
Notes
- The stat boost that can be applied during combat by Joint Drive Def is considered a temporary buff.
- The temporary buffs of Joint Drive Def will not apply to the user's allies if the user is inflicted with
Time's Grip, the user's allies are inflicted with 
Feud, or the user's allies are in combat against a foe with skills such as 
Impenetrable Void and 
C Feud 3.
List of owners
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Spur Def 1 4  SR | Drive Def 1 4 SR | Drive Def 2 4 SR | Joint Drive Def 5  |
Availability
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2021-08-17 | 2021-09-07 | New Heroes: Keepers of Faith | Joint Drive Def |
| 2021-12-24 | 2022-01-03 | Legendary Heroes - Byleth | Joint Drive Def |
| 2022-03-14 | 2022-03-22 | Legendary Hero Remix | Joint Drive Def |
| 2022-04-22 | 2022-05-13 | Year-Five CYL Hero Fest | Joint Drive Def |
| 2022-05-26 | 2022-06-03 | Revival: Keepers of Faith | Joint Drive Def |
| 2022-06-14 | 2022-06-18 | Three Hopes Release Event 7 | Joint Drive Def |
| 2022-08-27 | 2022-09-06 | Focus: Brave Championship | Joint Drive Def |
| 2023-01-05 | 2023-01-12 | Focus: Heroes w/Joint Drive Skills | Joint Drive Def |
| 2023-04-21 | 2023-06-02 | GW Hero Fest! CYL: Round 5 | Joint Drive Def |
| 2023-08-02 | 2023-08-05 | Revival: Keepers of Faith | Joint Drive Def |
| 2023-09-12 | 2023-09-19 | Focus: New Power | Joint Drive Def |
| 2024-02-25 | 2024-03-03 | Focus: Weekly Revival 82 | Joint Drive Def |
| 2024-03-18 | 2024-03-26 | Focus: Heroes with Spur | Joint Drive Def |
| 2024-04-23 | 2024-05-21 | GW Hero Fest! CYL: Round 5 | Joint Drive Def |
| 2024-06-02 | 2024-06-09 | Focus: Weekly Revival 89 | Joint Drive Def |
| 2024-07-14 | 2024-07-21 | Focus: Weekly Revival 82 | Joint Drive Def |
| 2024-09-29 | 2024-10-06 | Focus: Weekly Revival 89 | Joint Drive Def |
| 2025-02-02 | 2025-02-09 | Focus: Weekly Revival 82 | Joint Drive Def |
| 2025-04-28 | 2025-04-29 | 35th Anniversary: Daily Revival 82 | Joint Drive Def |
| 2025-04-29 | 2025-04-30 | 35th Anniversary: Daily Revival 89 | Joint Drive Def |
| 2025-05-02 | 2025-05-16 | GW Hero Fest! CYL: Round 5 | Joint Drive Def |
| 2025-05-11 | 2025-05-18 | Focus: Weekly Revival 89 | Joint Drive Def |
| 2025-08-03 | 2025-08-10 | Focus: Weekly Revival 82 | Joint Drive Def |
| 2025-09-21 | 2025-09-28 | Focus: Weekly Revival 89 | Joint Drive Def |
| 2025-12-14 | 2025-12-25 | Focus: Tempest Trials | Joint Drive Def |
Distributed units
- This skill is not available on any distributed units.
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2022-03-07T09:00:00Z | Gatekeeper: Nothing to Report | Divine Code: Part 3 |
In other languages
| Language | Name |
|---|---|
| Japanese | 守備の相互大紋章 |
| German | Nachbar-Ver. ant. |
| Spanish (Europe) | Maximpulsar Def |
| Spanish (Latin America) | Maximpulsar Def. |
| French | Entraide stim. Déf |
| Italian | Tras. Dif gruppo |
| Traditional Chinese (Taiwan) | 防守相互大紋章 |
| Portuguese | Def. omnimpulso |