The correct answer to this open question is the following.
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According to Geoffrey Ashe, Arthurian legends become popular because people immediately like to identify with the story of the hero and its quest for victory. Geoffrey Ashe considered that these mystical and heroic stories not only are enjoyed by people but really fascinate them with the permanent quest for justice, trying to accomplish something valuable, confronting enemies, overcoming many adversities, with the permanent relationship with a mystical world that is represented by Merlin, the magician.
People continue to tell them because these stories are applicable even in the modern-day. People love to compare these stories and have them as a reference to be applied to the situations of the present. There is no specific age for these kinds of stories. They are ageless, and the lesson of the stories still impact modern readers.
Your answer would be influence.
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Relating to, denoting, or preserving the character of an early stage in the evolutionary or historical development of something.
