Baba Deep Singh was a beloved child of Guru Gobind Singh, who's commitment was so strong, his word always came true. When the Hari Mandir Sahib was taken over by invaders he promised to fight until his head bowed at the threshold. In the battle field he fought fearlessly and sent many men to their Maker. Then he faught the general of the other army. Baba Deep's head was cut off in this fight........... then a miracle happened......
After Guru Gobind Singh's time, during the time of Maharaja Ranjit Singh, there was a purely devoted fearless Khalsa named Akali Phula Singh. After taking a hukam from the Guru he wouldn't delay his battle plan to attack at dawn. He was the only one to charge in to battle against the Afghan army at first. He fought bravely without fear of death. He said, "The Khalsa of Guru Gobind Singh can do anything."
A king with his army visited Guru Gobind Singh ji. The king obviously thought his army was superior to the Guru's so the Guru decided to teach him a kind lesson. Guru ji asked his Sikhs to use themselves as targets to test a new gun he had received. Two Sikhs wanted so much to give their lives for the Guru they fought over who would be the target. The proud king was greatly humbled.