Complex sentence: Having lost his minion Laserbeak, he continues the search on his own, fighting Wheeljack to claim the relic, the Resonance Blaster and defeat Wheeljack before he reclaims Lasebeak.
Split into simpler sentences: Having lost his minion Laserbeak, he continues the search on his own, fighting Wheeljack in the process. He manages to claim the relic, the Resinance Blaster and defeat Wheeljack before he reclaims Lasebeak.