Claimh Solais (Kly-vuh Soh-lish) – One of the Four Treasures or Jewels brought to Erin by Dagda and Danu and wielded initially by the Sun God, Lugh; it was gifted to Nuada of the Silver Hand, one-time King of the Tuatha; once unsheathed, no enemy could resist the Sword of Light or escape from its path.