The Eternal Cave (悠久の洞窟 Yuukyuu no Doukutsu in Japanese), also known as the Fairy's Paradise (妖精の楽園 Yousei no Rakuen), Priten Island, and the Cave of Eternity, is a cave in the northern British Isles where the legendary Holy Sword Excalibur dwells.
The Eternal Cave (悠久の洞窟 Yuukyuu no Doukutsu in Japanese), also known as the Fairy's Paradise (妖精の楽園 Yousei no Rakuen), Priten Island, and the Cave of Eternity, is a cave in the northern British Isles where the legendary Holy Sword Excalibur dwells.