They're mostly floting head with hollow clothes
"fantonians"(lol) love to eat tainted soul, the badder the better. They don't have hands as most people think instend they got tentacles. some can slice, pirce, and extend lenght. their skill are sleeve trick and hidden shadow
sleeve trick is a trick they do by having weapon or object in thier sleeves, including mouth.
hidden shadow is a technique which they can merge with any cast of shadow however they can't hide their eyes, and teeth.