All-In-One Douluo: What Is the Essence of Power?

Why don't the soul beasts on Douluo Continent expand the territory of the Great Forest? Do they not want to or can't? What is the relationship between soul rings and soul power? Why can the skills of soul rings and soul bones be used right after they are absorbed? The power of a mage requires countless resources and is produced naturally by force. Why is this? Can the mage's need for natural resources really be balanced with natural production? Why are there no people exploring these questions? Why can't I be a seeker of knowledge!