Ninja Gaiden Sigma 2
51 Achievements
99-121h
PS3
Learned the Art of the Wind Blades.
Successfully perform the Art of the Wind Blades Ninpo.
44.9%
How to unlock the Learned the Art of the Wind Blades. achievement in Ninja Gaiden Sigma 2 - Definitive Guide
Zongorillacska
After you have picked up the Wind Blades Ninpo scroll around the beginning of Chapter 4, equip it in the weapons menu and press 
+
near an enemy to cast the spell and unlock the trophy.