Ujfalusi cast several curses that would cause one's wounds to decompose, but the immunity of the dragon corpse was too high, and Ujfalusi's curses were restrained by the power of the gods the corpse possessed. Hence, there was naturally no effect at all.
Norfeller focused on the dragon corpse's wound in his attacks. After all, the wound was on its back, so it could not be easily protected, unlike the wound on its chest. However, Norfeller was far weaker than the dragon corpse, and the Retribution Dagger could not even expand the wound by a millimeter after stabbing into the dragon corpse's wound.
Connoris was the strongest of the three, but only because he had the perfect body that allowed him to act as a shield for everyone. The fact that he could resist the dragon corpse's attacks did not mean that he could counterattack.
