Complex sentence: Kyle fights several Reborn, and, on the upper level, stormtroopers until he finds Tavion, who is about to board a ship headed for Galak Fyyar's Star Destroyer, the "Doomgiver".
Split into simpler sentences: Kyle fights several Reborn, and on the upper level, stormtroopers. He then finds Tavion, who is about to board a ship headed for Galak Fyyar's Star Destroyer, the "Doomgiver".