"Xinkai"referstoatypeofChinesecalligraphy,and"传奇"canbetranslatedas"legend"or"tale".Theterm"sf"usuallystandsfor"serverfree",whichisatermoftenusedinthecontextofcomputergamestodescribeserversthatarenotmanagedbyacentralauthority.

So,whenyouusetheterm"xinkai传奇sf",itmightbereferringtosomethinglikeaserverfreeversionofagamethathasalegendortaleassociatedwithit,possiblyrelatedtoChinesecultureduetotheinclusionof"xinkai"and"传奇".However,withoutmorecontext,it'shardtogiveaprecisemeaning.

Pleaseprovidemorespecificdetailsifyouneedamoreaccurateinterpretationorassistance.