Prompt: two dragon, anthro, male/male, duo, black scales, purple horn, tail, inside the castle, dark room, purple light, purple eyes, masterpiece, high Quality, face to face, glare at each other, angry, rage, fury, big penis, purple penis, big testis, glowing body, glowing eyes, glowing penis, lower body pushing, frottage, grinding penis, precum, full body, erection penis, musclar male, sexfight, sexual competition,twins, clone, square crossover, multiple views, mirror match, lower body crushing, whole body picture, cum on penis, com on ground, by bna_v5, 8k, 3d_artwork