Two entries with the name Castle of the Enchantress.

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Castle of the Enchantress

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A castle in Sorelois, the kingdom ruled by Galehaut.

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Source
Prose Tristan | 1230-1240

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Castle of the Enchantress

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A castle in Ireland ruled by King Anguish.

Anguish called a tournament at the castle, on the fields of Fregolo, which Tristan won.

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Source
La Tavola Ritonda | 1325–1350

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