Arauco

Raumo or Arauco was the fifth of the Balrog-Lords, the seven great Princes of Hell.He was a Warlord of Angband and, along with his superior, Gothmog, led the Attack on Gondolin, where he was slain by Glorfindel of the House of the Golden Flower, who also met his death as the mighty demon grabbed him and dragged him with him into the deep.