Complex sentence: The Warstar Empire are the main antagonist empire in the Megaforce series and is depicted as the most widespread intergalactic force throughout the cosmos and it is ruled by classes of alien royalty and nobility.
Split into simpler sentences: The Warstar Empire are the main antagonists in the Megaforce series and is depicted as the most widespread intergalactic force throughout the cosmos. It is ruled by classes of alien royalty and nobility.