Complex sentence: While he travels to discover what has happened, and to redeem himself, he encounters people who have been affected by the cataclysm, as well as many others who attempt to kill him, under the belief that devouring him will save them from ruination.
Split into simpler sentences: While he travels to discover what has happened, and to redeem himself, he encounters people who have been affected by the cataclysm. He is also confronted by many others who attempt to kill him under the belief that devouring him will save them from ruination.