Complex sentence: Once he went on a hunt between the Wā (Wei) River and the Hẽ (He) River and was killed by a lightning bolt; the later historians concluded that that was a "revenge" of the god for his blasphemy.
Split into simpler sentences: Once he went on a hunt between the Wā (Wei) River and the Hẽ (He) River and was killed by a lightning bolt. The later historians concluded that that was a "revenge" of the god for his blasphemy.