The Secret Art of the Shadow Blade: Mastering Iai-Nuki and Inazuma-Giri in Shinobi Kenjutsu on October 09, 2026
Shinobi-iri: The Art of Infiltration — Secrets of the Silent Ninja on November 13, 2025 ancient Japan art of stealth espionage tactics Japanese ninjutsu ninja history ninja infiltration ninja techniques shinobi training Shinobi-iri stealth skills +