The barcha is also considered a magical weapon used in a shaman's education. Along with purbe, a wooden ritual knife, and thudung, a drum, the lance was taught to the guru's student through participation in rituals. Variations of the barcha include the snake-like Nagini Barcha and the hand-shaped Karpa Barcha. Nagini Barcha was identified as the weapon used by the SikhwarriorBachittar Singh during the siege of Lohgarh.