Complex sentence: According to a book by Michael G. Cornelius, He-Man is considered a narrow definition of masculinity, citing He-Man's description as the literal "Strongest man in the universe" and his chief adversary Skeletor's primary weapon being his intellect.
Split into simpler sentences: According to a book by Michael G. Cornelius, He-Man is considered a narrow definition of masculinity. Citing He-Mans description as the literal "Strongest man in the universe" and his chief adversary Skeletor's primary weapon being his intellect.