| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| C | 
|
Red Feud 1 | 60 | — | If in combat against a red foe, disables skills of all foes, excluding foe in combat. During combat, disables skills of all red foes, excluding foe in combat. |
|
Red Feud 2 | 120 | Red Feud 1 | If in combat against a red foe, disables skills of all foes, excluding foe in combat, and inflicts Atk/Spd/Def/Res-2 on foe during combat. During combat, disables skills of all red foes, excluding foe in combat. | |
|
Red Feud 3 | 240 | Red Feud 2 | If in combat against a red foe, disables skills of all foes, excluding foe in combat, and inflicts Atk/Spd/Def/Res-4 on foe during combat. During combat, disables skills of all red foes, excluding foe in combat. | |
Cannot use:      
| |||||
Notes[]
- Red refers to
. - The stat reduction that can be applied during combat by Red Feud is considered a temporary debuff.
- The ally combat effect neutralization of Red Feud only activates during combat involving the unit. It has no effect if the unit is neither the attacker nor the defender of the combat.
- The ally combat effect neutralization of Red Feud does neutralize after combat effects such as the HP recovery prevention effect Noble Bow and Blood & Thunder.
- The ally combat effect neutralization of Red Feud does not prevent 【Savior】 from being triggered, because 【Savior】 is not a during combat effect.
- The ally combat effect neutralization of Red Feud does not neutralize effects granted to support partners during combat such as Renewed Fang and Dragon Blast.
- The ally combat effect neutralization of Red Feud does neutralize after combat effects such as the HP recovery prevention effect
List of owners[]
| Unit | Skill chain | ||
|---|---|---|---|
 | Red Feud 1 5  | Red Feud 2 5 | Red Feud 3 5 |
 | Red Feud 1 3  | Red Feud 2 4  | Red Feud 3 5 |
 | Red Feud 1 5 | Red Feud 2 5 | Red Feud 3 5 |
Availability[]
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2021-12-07 | 2021-12-24 | Book VI Begins: Ash and More | Red Feud 3 |
| 2022-04-28 | 2022-05-12 | Mythic Heroes - Medeus | Red Feud 3 |
| 2022-08-01 | 2022-08-11 | Focus: Heroes w/ Push Skills | Red Feud 3 |
| 2022-11-26 | 2022-12-02 | Focus: Flavia and Basilio's Battle | Red Feud 3 |
| 2023-06-14 | 2023-06-17 | Focus: Heroes w/ Push Skills | Red Feud 3 |
| 2023-07-21 | 2023-07-31 | Focus: Heroes with Draconic Aura | Red Feud 3 |
| 2023-08-06 | 2023-08-09 | Book VI Revival: Ash and More | Red Feud 3 |
| 2023-08-08 | 2023-09-08 | Invitation to Tea | Red Feud 3 |
| 2023-11-22 | 2023-12-21 | Focus: Double Special Heroes | Red Feud 3 |
| 2024-01-30 | 2024-03-05 | Special Hero Summon (Year 7) | Red Feud 3 |
| 2024-02-05 | 2024-02-15 | 7th Anniversary Special Focus 1 | Red Feud 3 |
| 2024-08-14 | 2024-08-24 | Invitation to Tea | Red Feud 3 |
| 2024-10-20 | 2024-10-27 | Focus: Weekly Revival 95 | Red Feud 3 |
| 2024-12-08 | 2024-12-17 | Focus: Weekly Revival 95 | Red Feud 3 |
| 2025-05-01 | 2025-05-02 | 35th Anniversary: Daily Revival 95 | Red Feud 3 |
| 2025-07-20 | 2025-07-27 | Focus: Weekly Revival 95 | Red Feud 3 |
| 2025-08-19 | 2025-08-29 | Invitation to Tea | Red Feud 3 |
| 2025-09-26 | 2025-10-07 | Focus: En Garde! | Red Feud 3 |
| 2025-10-22 | 2025-11-12 | Focus: Hall of Forms | Red Feud 3 |
| 2025-11-02 | 2025-11-09 | Focus: Weekly Revival 95 | Red Feud 3 |
Distributed units
- Bruno: Masked Knight (×1)
- Bruno: Masked Knight (×2)
- Use Heroic Grails (×20)
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2023-03-06T03:00:00Z | Flavia: Feroxi East-Khan | Divine Code: Part 4 |
In other languages[]
| Language | Name |
|---|---|
| Japanese | 赤への暗闘 |
| German | Rote Fehde |
| Spanish (Europe) | Pugna roja |
| Spanish (Latin America) | Pugna roja |
| French | Querelle rouge |
| Italian | Faida rossa |
| Traditional Chinese (Taiwan) | 對赤的暗鬥 |
| Portuguese | Rixa vermelha |