Intermediate

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Run Cancel

Run cancelling is performed by flicking the analog stick down followed by a smash attack.

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Wavedash

Wavedashes are performed by air dodging diagonally into the ground which causes the character to slide.

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Waveland

Wavelanding is performed after a character jumps to his/her peak and descends. As the character is approaching the ground the player presses L or R, initiating an air dodge. The ground then stops the air dodge animation and begins a normal wavedash. This is especially useful for moving around platforms quickly and for getting onto the stage quickly.

Text is from ssbwiki