Complex sentence: Darkworld was a dimension created by an unnamed cosmic entity who later fell into a deep sleep, and whose dreams created the first Lords of Chaos and Order, Chaon (chaos), Gemimn (order), and Tynan the balancer.
Split into simpler sentences: Darkworld was a dimension created by an unnamed cosmic entity who later fell into a deep sleep. This entity's dreams were responsible for creating the first Lords of Chaos and Order, Chaon (chaos), Gemimn (order), and Tynan the balancer.