After events of skyward of twiligth, Shadow/Kağan and Shadow!Sans found a mysterius letter which was a invitation to a Tournament which founded by 2 'hands' and because Kağan regained his memories before the SHADOWTALE, he couldnt denincle the invitation to the SMASH. SUPER SMASH BROS belongs to nintendo all characters you will read in the story are belongs to their rigthful owners SHADOWTALE all of its characters belongs to me, thefractale Undertale and its characters are belongs to TOBY_FOX