Complex sentence: Baboon is very dominant over the Ninja Monkeys and often mistreats them to the point of physical abuse and has even used some of them as punching bags or guinea pigs.
Split into simpler sentences: Baboon is very dominant over the Ninja Monkeys and often mistreats them to the point of physical abuse. Baboon has even used some of the Ninja Monkeys as punching bags or guinea pigs.