ryuuzaki ichi, confessarius (arknights), arknights, official art, third-party source, 1boy, black boots, black capelet, black gloves, black robe, black theme, boots, capelet, covered face, demon horns, faceless, faceless male, full body, gloves, grey hair, holding, holding weapon, hood, hooded capelet, horns, jewelry, long hair, long sleeves, male focus, mask, masked, pendant, robe, simple background, solo, standing, tachi-e, transparent background, weapon, white hair