with Bull Rock, an islet off the west coast of Ireland which resembles a portal tomb. In Ireland there was a belief that the souls of the dead departed westwards over the sea with the setting sun. West-ward also being the location of the phantom island, anglicised as, Hy-Brasil. Welsh mythology In Welsh mythology, the Otherworld is usually called Annwn or Annwfn. The Welsh tale of Branwen, daughter of Llyr ends with the survivors of the great battle feasting in the Otherworld, in the presence of the severed head of Bran the Blessed, having forgotten all their suffering and sorrow, and having become unaware of the passage of time. Annwn is ruled by the Otherworld kings Arawn and Gwyn ap Nudd. In the First Branch of the Welsh tales known as the Mabinogi, entitled Pwyll, Prince of Dyfed, the eponymous prince offends Arawn, ruler of Annwn, by baiting his hunting hounds on a stag that Arawn's dogs had brought down. In recompense, Pwyll swaps places with Arawn for a year and defeats Arawn's enemy Hafgan. Meanwhile, Arawn rules Dyfed. During this year, Pwyll does not sleep with Arawn's wife, earning himself gratitude from Arawn. On his return, Pwyll becomes known by the title Pen Annwn, "Head (or Ruler) of Annwn". Continental Celtic mythology The Gauls divided the universe into three parts: Albios ("heaven, white-world, upper-world"), Bitu ("world of the living beings"), and Dubnos ("hell, lower-world, black-world").;; According to Lucan, the Gaulish druids believed that the soul went to an Otherworld, which he calls by the Latin name Orbis alius, before being reincarnated. Greco-Roman geographers tell us about Celtic belief in islands consecrated to gods and heroes. Among them were Anglesey (Môn), off the north coast of Wales, which was the sacred isle of the druids of Britain; the Scilly isles, where archaeological remains of proto-historical temples have been found; and some of the Hebrides, which were, in the Gaelic tradition, home to ghosts and demons: on one of them, Skye, the Irish hero Cúchulainn was taught by the warrior woman Scathach. Byzantine scholar Procopius of Caesarea described the Otherworld of the ancient Gauls. He said it was thought that the land of the dead lay west of Great Britain. The Continental Celtic myths told that once the souls of the dead had left their bodies, they traveled to the northwest coast of Gaul and took a boat toward Britain. When