Complex sentence: After several subsequent battles, Missy was deemed the most attractive of the females, and was captured by Chameleon, and brought down into the mutant's mine/home, for the purpose of torture and rape, to serve as a breeder for the clan.
Split into simpler sentences: After several subsequent battles, Missy was deemed the most attractive of the females, and was captured by Chameleon. She was then brought down into the mutant's mine/home, for the purpose of torture and rape, to serve as a breeder for the clan.