These people allegedly carried portable meals made of crystallized sugar known as “thirst balls” to combat dehydration. A possibly fictional one of these people amputated his ankle after being caught in a bear trap and led the “Ten Braves.” These people invented a method of communication using rice grains dyed five different colors. These people learned how to create explosions as diversions as part of their “fire techniques.” These people formed the armies of the Iga–Kōka alliance. A manual on the Legends of [these people’s] Secrets was written (10[1])by a man who led a military unit of these people, Hattori Hanzō. (10[1])These people used iron caltrops (-5[1])called makibishi, which could be thrown similar to their shuriken. (10[2])For 10 points, (10[1])name these Japanese assassins often depicted in all-black. ■END■ (10[1])