Complex sentence: Later, Bett-Bett goes on walkabout, as well as Goggle Eye becomes ill and feverish, believing that he has been affected by a singing curse, as well as passes away.
Split into simpler sentences: Later, Bett-Bett goes on walkabout and Goggle Eye becomes ill and feverish. Believing that he has been affected by a singing curse Goggle Eye passes away.