Final Cutter is Kirby's Up B and triple jump. Kirby draws a blue blade, jumps into the air a bit less than the height of Falco's full jump, and falls quickly, releasing a blue "wave" projectile forward. Generally hits best on the way up, and at the very end of the attack. Although it lost much power and use in the transition from SSB to SSBM, it is still quite useful to skilled players. It should also be noted that the move as a whole can be moved much further horizontally when used on the ground as opposed to in the air.
Players using this move should take note that if knocked out of it, they lose all their jumps.
Final Cutter was a special move observed in Kirby Super Star. If one was close enough to the enemy while attacking, the normally ranged Cutter technique would become a rapid cutting Melee attack ending in the Final Cutter. This move can also be used a last-resort maneuver when recovering from falling off of an edge.