King Arthur's Raid on the Underworld: The Oldest Grail Quest

The poem recounts Arthur's descent into Annwfn, the Celtic underworld, aboard the ship Prydwen, to retrieve a magical cauldron from its lord. This quest not only highlights Arthur's heroic nature but also connects to the broader Celtic Mystery traditions, revealing hidden secrets within its concise 61 lines. The cauldron symbolizes immense power and serves as a precursor to the legendary Grail, linking Arthur's adventure to the rich tapestry of myth and folklore that defines the Celtic narrative.