 Along the way, Ivan finds the fiery feather of a firebird, which shines without giving off any heat, and takes it despite "Konyok-gorbunok"'s warning that it will cause him difficulty later.They reach the city, and Ivan outwits his brothers and sells his black horses to the Tsar.When it is found that nobody can control them except Ivan, he is put in charge of the Tsar's stables.