Ninjutsu Techniques are special abilities unlocked after defeating certain bosses. They are performed after a Deathblow and consume Spirit Emblems.
- Bloodsmoke Ninjutsu: Creates a smoke screen, allowing for stealth or escape. Unlocked after Genichiro Ashina.
- Puppeteer Ninjutsu: Turns a small enemy into an ally for a short time. Unlocked after Folding Screen Monkeys. Crucial for the Great Serpent encounter.
- Bestowal Ninjutsu: Buffs your weapon with a blood-based attack, increasing range and damage. Unlocked after Corrupted Monk (Illusory).