Complex sentence: Nemeroth has partially ascended to Daemonhood, is knocked off the spire, and Titus defeats him in single combat while falling towards the ground, and breaks the experimental device in half with his hands.
Split into simpler sentences: Nemeroth has partially ascended to Daemonhood when he is knocked off the spire, and Titus defeats him in single combat while falling towards the ground. He then breaks the experimental device in half with his hands.