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11 Castor is a character in Fire Emblem: Fortune's Weave and the father of Cai, one of the four Heroes. The two are not the same person despite the shared name: Cai's full name is Cai Castor, and Castor is his father's given name. He was once a Vulcan of one of Dagsion's temples, and by the time the story opens he is a prisoner.
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33 Profile
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55 FieldDetailGenderMaleFamilyCai (son)HomeRibeiraFormer roleVulcan of a temple in DagsionFaction listingRibeira WindsRoleGuest unit
66 The Arrest
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8-Castor committed major crimes before Cai was born. What they were has not been revealed in any material published as of September 2026, and for fifteen years no sentence was carried out. On Cai's fifteenth birthday, in the year 1449 of the Dagdan calendar, the temple knight Centurio arrives in the village of Ribeira to tell him the time has come to face punishment. Castor is taken into custody and imprisoned beneath the imperial capital.
8+Castor committed major crimes before Cai was born. This wiki has not yet documented what they were as of September 2026, and for fifteen years no sentence was carried out. On Cai's fifteenth birthday, in the year 1449 of the Dagdan calendar, the temple knight Centurio arrives in the village of Ribeira to tell him the time has come to face punishment. Castor is taken into custody and imprisoned beneath the imperial capital.
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1010 That arrest is the hinge of Cai's whole story. He sets out for Dagsion with his childhood friends Tialla and Peter to find answers, and the three of them enter the Heroic Games because winning is the way to get his father back. Everything on the Fox route follows from it.
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1212 Father and Son
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14-Castor trained Cai in combat himself before the arrest, which is where a fifteen-year-old villager's fighting ability comes from. Recorded dialogue also has him ask his son to look after his mother, a woman Cai grew up without and has no memories of at all. As of September 2026, nothing further about her has been revealed, and Castor's line is the only place she is directly addressed.
14+Castor trained Cai in combat himself before the arrest, which is where a fifteen-year-old villager's fighting ability comes from. Recorded dialogue also has him ask his son to look after his mother, a woman Cai grew up without and has no memories of at all. As of September 2026, this wiki has not documented anything further about her, and Castor's line is the only place she is directly addressed in the material recorded here.
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1616 In Battle
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18-The roster listings place Castor in the Ribeira Winds column with a guest marker, joining and leaving within the first chapter of the Fox route. Guest units fight alongside the player without being permanent members of the party, so his time on the field is short by design.
18+The roster listings place Castor in the Ribeira Winds column with a guest marker, fighting only briefly early on the Fox route. Guest units fight alongside the player without being permanent members of the party, so his time on the field is short by design.
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20+In the shipped game he fights beside Cai, Tialla and Peter in Defending the Carriage, the battle of Chapter 2, Road to the Capital, which is lost if the caravan is destroyed or Cai falls. Once the party reaches Dagsion, an optional scene with Castor and Centurio can be watched in the east of the city. In Chapter 4, Festival of the Strong, Cai reaches the Arena Underground through the sewers and speaks with Gabriel, then with Castor, then with Bertrand.
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2022 Notes
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2224 LanguageNameJapaneseカストール (Kasutōru)
2325 The name comes from Greek myth, where Castor is one of the twins commemorated in the constellation Gemini.
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2527 Related Pages
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2729 His son's route runs on getting him out of prison; see Cai. The temple knight sent to Ribeira to make the arrest is Centurio, and the tournament Cai enters to win his release is covered on Heroic Games.