Complex sentence: He is a highly arrogant but hugely powerful wizard causing a huge explosion within the city of Athkatla, eliminating several Cowled Wizards thereafter, before eventually surrendering by choice rather than continue his violent actions.
Split into simpler sentences: He is a highly arrogant but hugely powerful wizard. For example causing a huge explosion within the city of Athkatla, and eliminating several Cowled Wizards thereafter, before eventually surrendering by choice rather than continue his violent actions.