Complex sentence: The villains are also unusual, as there are no monsters, rather they originate from a large criminal organization named Dakker, which has a mysterious leader (who is revealed in the final episode), and outlandishly-dressed criminals.
Split into simpler sentences: The villains are also unusual, as there are no monsters. This is a criminal organization, Dakker, which has a mysterious leader (who is revealed in the final episode), and outlandishly-dressed criminals.