Shikhandi

Shikhandi
a major figure in the Mahabharata, a woman who became a man.
Shishapunkti ...

Amba becomes enraged and becomes Bhishma's bitter enemy, holding him responsible for her plight. Later she is reborn to King Drupada as Shikhandi (or Shikhandini) and causes Bhishma's fall, with the help of Arjuna, in the battle of Kurukshetra.

The King of Kaashi, the mighty archer; Shikhandi, the great warrior; Dhristadyumna, Viraata, and the invincible Saatyaki; (1.17) ...

See also: Power, Spiritual, Yoga, India, Mantra