The end of Fëanor
There upon the confines of Dor Daedeloth, the land of Morgoth, Fëanor was surrounded, with few friends about him. Long he fought on, and undismayed, though he was wrapped in fire and wounded with many wounds; but at the last he was smitten to the ground by Gothmog, Lord of Balrogs, whom Ecthelion after slew in Gondolin. There he would have perished, had not his sons in that moment come up with force to his aid; and the Balrogs left him, and departed to Angband.
~The Silmarillion: Of the Return of the Noldor