The Khalkha knife in the game is the same named Khalkha knife, also known as the Kukli curved knife or Nepalese army knife, with the opposite blade to a regular curved knife. It is famous for being used by Nepalese people for combat on the battlefield and is the national sword of Nepal. When soldiers achieve military merit, they will be given a Gurkha knife engraved with their name. Compared to other types of knives, it is a medium length curved knife. It is a tool that Gurkhas wear in their daily lives and use to cut objects, and it is also an essential item for every Nepalese family. When firearms malfunction and cannot fire or bullets run out, Nepalese people will pull out their Gurkha knives to fight against the enemy.