Dhrishtadyumna in the Mahabharat was the son of King Drupada
of Panchala and was the brother of Draupadi. He had always supported the
Pandavas. Story of the birth of Dhrishtadyumna is associated with the rivalry between
Drupada and Dronoacharya.
Guru Drona had defeated and usurped half the kingdom of Drupada
As he appeared from the sacrificial fire, he is believed to
be an amsha-avatar of Agni – an incarnation of Agni, the fire god.
Dhrishtadyumna learned warfare under Guru Drona, who knew
his student was born to kill him.
In the Mahabharata war, Dhrishtadyumna was the leader of the
Pandava Army. He killed Guru Drona in the Kurukshetra.
Dhrishtadyumna was killed at night while he was sleeping by
Ashwattama, son of Drona.