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Is not smooth I think thats the main reason plus you need to work on the basics.

But what I think you need to practice is spacing and easing, decide at what speed you want your stickfigure to move. (remember the onion skin);)

i think one of the major parts was you used punches as footsteps. it was also pretty choppy and those battle cries after the first one were kinda unnecessary, or could have been changed up a bit. (is the head supposed to have that black outline?)