Complex sentence: Meanwhile, Baltoh is attacked on all sides by swarms of Demons but is able to hold his own and chip away at their numbers, but as the battle progresses, his frustration and desperation begin to alter his body.
Split into simpler sentences: Meanwhile, Baltoh is attacked on all sides by swarms of Demons but is able to hold his own and chip away at their numbers. As the battle progresses, his frustration and desperation begin to alter his body.