worldrebuilt, oberon_(fate), oberon_(third_ascension)_(fate), year_2024, 1boy, blue_eyes, cloak, crown, dual_persona, finger_to_mouth, fur_collar, grey_hair, grin, heterochromia, looking_at_viewer, male_focus, medium_hair, official_alternate_costume, portrait, shushing, smile, solo, white_cloak, highres, spoilers, fate/grand_order, fate_(series)