graphic of ninja, assassin, samurai training at night on a full moon. perfect for wallpaper, poster, etc

one piece samurai silhouette wallpaper background night moon japanese japan character cartoon art icon warrior pirate design concept black ninja assassin sword swordsman vector dark light mythical old nature armor traditional bushido shogun oriental retro martial mask vintage mythology shirt fighter angry war symbol graphic culture practice sunset orange training full perfect poster oronoa zoro etcroronoa roronoa white isolated drawing karate fight sport asia dojo style combat kendo practicing katana fighting jujitsu taekwondo jump attack kickboxing kung moon