This man used a fake beheading to establish the Khalsa.
This man once shot an arrow through Painde Khan's ear, and in another incident he pretended to slay the "five beloved" in his tent. He fought with just forty companions against a vastly superior enemy force at the Battle of Chamkaur. This leader composed the "Epistle of Victory" or  zafarnamah to one of his chief rivals after his wife and four of his sons were killed following an engagement with the (*) Rajas at the Second Battle of Anandpur. This man used a fake beheading to establish the Khalsa. His father, Tegh Bahadur, was killed on orders of Aurangzeb, and this man appointed the Adi Granth as his successor. For 10 points, name this final human guru of Sikhism.
This man once shot an arrow through Painde Khan's ear, and in another incident he pretended to slay the "five beloved" in his tent.
Guru Gobind Singh [or Gobind Rai; prompt on Singh]