Complex sentence: Under the leadership of Achilles de Flandres, China manages to conquer the nation of India as well as much of Southeast Asia, only to lose it to the liberating forces of of Caliph Alai and the newly-formed Muslim Crescent League.
Split into simpler sentences: Under the leadership of Achilles de Flandres, China manages to conquer the nation of India as well as much of Southeast Asia. However, he loses it to the liberating forces of of Caliph Alai and the newly-formed Muslim Crescent League.