Complex sentence: Ermac battles all five warriors with ease to keep them at bay while Liu Kang liberates their souls, and in a subplot that has not been explored further in the series, he additionally senses that Onaga is being controlled by an unseen, more powerful influence.
Split into simpler sentences: Ermac battles all five warriors with ease to keep them at bay while Liu Kang liberates their souls. In a subplot that has not been explored further in the series, he senses that Onaga is being controlled by an unseen, more powerful influence.