pako (pakosun), arjuna (fate), arjuna alter (fate), fate/grand order, fate (series), commentary request, game cg, official art, third-party source, 1boy, barefoot, black eyes, black pants, blue horns, braid, closed mouth, colored skin, crossed arms, dragon boy, dragon horns, dragon tail, expressionless, full body, grey skin, horns, hugging own legs, knees up, long hair, male focus, mountain, official alternate costume, outdoors, pants, photo background, single braid, sitting, solo, tail, tunic, very long hair, white hair, white tunic