entity_id,source_id,evidence_type,source_note
ENT_WEL_ANNWN,SRC_MABINOGION,direct attestation,"First Branch: Annwn is the Otherworld ruled by Arawn; described as a realm with its own court, hunting, feasting, and political conflicts; its animals (white hounds with red-tipped ears) are immediately recognizable as Otherworldly; Pwyll enters Annwn and returns changed; the primary text establishing Annwn as a named Welsh Otherworld realm"