Complex sentence: Vosa single-handedly killed about twenty Mandalorians and Jango slew several Jedi with his bare hands, but was eventually overcome after observing the loss of the Mandalorian army.
Split into simpler sentences: Vosa single-handedly killed about twenty Mandalorians and Jango slew several Jedi with his bare hands. But was eventually overcome after observing the loss of the Mandalorian army.