- Name: Zankūha, 斬空波, literally "Decapitating Air Wave", English TV "Slicing Sound Wave"
- Type: D-rank, Offensive, Defensive, Short range (0-5m)
- Users: Abumi Zaku
Using the air tubes implanted in his arms, Zaku can control air pressure, creating supersonic blasts of air. These blasts are powerful enough to destroy stone.