Well, at first she shot him, and they actually hit him, right? Then he notices and he knocks her out. While shes out, defend yourself with your sheild, and leap backward to get out of the way. Every once and awhile use your special A attack (which will require you to let down your sheild). You are past this part too, I assume. When zelda awakes her arrows will deflect, just keep jumping back away from his attacks. She will say you two need a change of plans. Now keep ganon inbetween you and zelda, and her arrows will affect him. Keep yourself sheilded until hes down and go for the blow.
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