A harpoon is a long spear-like instrument used in fishing, whaling, sealing, or other marine hunting to catch fish or large marine mammals such as whales. It accomplishes this task by impaling the target animal and securing it with barbs or toggling claws, allowing the fishermen to use a rope or chain attached to the butt of the projectile to catch the animal. A harpoon can also be used as a weapon.
A Kage (影, Literally meaning: Shadow) is the leader of one of the five most powerful hidden villages and are generally acknowledged as the most powerful ninja in their respective villages. They are collectively known as the Five Kage (五影, Gokage, Literally meaning: Five Shadows
