Complex sentence: King Louie chases Mowgli through the temple, causing it to crumble and knock him out, but before this, he informs Mowgli of Akela's death.
Split into simpler sentences: King Louie chases Mowgli through the temple, causing it to crumble and knock him out. Before he falls unconscious, King Louie informs Mowgli of Akela's death.