But the jewel burned the hand of Maedhros in pain unbearable. […] And being in anguish and despair, he cast himself into a gaping chasm filled with fire, and was so ended; and the Silmaril that he bore was taken into the bosom of the Earth.

Maedhros the Tall: oathbearer, feud-forger, doomed to watch his family die in an age-long war. So many trials, all for nothing.