C-Sword

C-Sword, abbr. for Crescent Sword, also known as Mikazukizan (『三日月斬』) in Japan, is the special technique that Zero learns after defeating Grizzly Slash in Mega Man X5. 

Similar Techniques

 * Kuuenzan from Mega Man X4
 * Ensuizan from Mega Man X6
 * Rasetsusen from Mega Man X8

Counterpart to this Weapon

 * C-Shot