Complex sentence: This event featured world title fight for the inaugural Glory Heavyweight championship between Semmy Schilt and Errol Zimmerman as headliner, Also this event featured qualification bouts for the Glory 70kg Slam Tournament.
Split into simpler sentences: This event featured the world title fight for the inaugural Glory Heavyweight championship between Semmy Schilt and Errol Zimmerman as headliner. The event also featured qualification bouts for the Glory 70kg Slam Tournament.