i cant seem to improve in terms of making it look realistic beyond this ;-; please help me understand how to render it to make it look absolutely realistic. i think i esp fail at the eyes so if any advice or tutorials, pls link! open to links for improving anything in this piece | Artwod Feedback

i cant seem to improve in terms of making it look realistic beyond this ;-; please help me understand how to render it to make it look absolutely realistic. i think i esp fail at the eyes so if any advice or tutorials, pls link! open to links for improving anything in this piece | Artwod Feedback