Sheik brandishes her dagger, then she dashes forward and slashes. If she catches anyone, the Sheikah eye symbol will appear onscreen, and the screen will darken and obscure the stage and fighters. She will proceed to follow up the first slash with a kick, an upward slash, a palm thrust, and an axe kick. She then appears behind the opponent and performs an upward slash, followed by a kick, a knifehand strike, and a downwards slash. She then flips back over to the front of the opponent and attacks with an outward slash, followed by an inward slash, a kick, a punch, 2 more kicks, and a slash. Afterwards, she appears behind the opponent again, and delivers a final powerful slash which launches them the opposite direction she was traveling. The final slash can hit bystanders.
While this move does not pull from any Zelda game, the Sheikah eye represents the Sheikah clan, which Sheik is a part of.
Notably, Sheik has carried a dagger on her person in previous Smash games, but has never used it in her moveset; ironically, such dagger is absent outside of this Final Smash in Ultimate. The dagger somewhat resembles the Eightfold Longblade from The Legend of Zelda: Breath of the Wild, albeit smaller.