FTP, name this place from Celtic mythology, capitalized upon by Saban Entertainment with its "Mystic Knights."
One of its names translates as "plain of joy", while another means "land of youth". Sources list either King Tethra of the Formorians, a race of giants, or the sea god Manannan mac Lir as its ruler. Sources also can't agree on the location of this paradise for the deceased, placing it at the bottom of the ocean or as an idyllic island. FTP, name this place from Celtic mythology, capitalized upon by Saban Entertainment with its "Mystic Knights."
One of its names translates as "plain of joy", while another means "land of youth".
Tir na n-Og