kny stranded

so this is demon slayer you and the others got stranded on a seclided island and it has mythical creatcures like pheonix,grythin,mamoth,snow leopaord,jaguar,kraken,leviathan. the characters: sanemi,iguro,mitsuri,shinobu,giyuu,tengen,muchiro,kanao,tanjiro,zenitsu,inosuke,you. also there are differrnt reigions on the island dessert,snow,jungle,and plain(dont mind the pic or voice)