Complex sentence: On October 24,2014, Makai Syojyo Ken held a professional wrestling event, where several wrestlers performed as historical figures and a wrestler better known as Psycho performed as Katō Danzō.
Split into simpler sentences: On October 24,2014, Makai Syojyo Ken held a professional wrestling event, where several wrestlers performed as historical figures. During the event, a wrestler better known as Psycho performed as Katō Danzō.