Complex sentence: Cyclops wants to aid Sabertooth before the guards inflict serious injury, but Wolverine refuses to help and warns everyone that Sabretooth cannot be trusted; however, Cyclops brings Sabertooth to the Mansions' infirmary anyway.
Split into simpler sentences: Cyclops wants to aid Sabertooth before the guards inflict serious injury, but Wolverine refuses to help and warns everyone that Sabretooth cannot be trusted. However, Cyclops brings Sabertooth to the Mansions' infirmary anyway.