To carry out his plan, he shattered Mardum and freed the demons to create the Burning Legion, an infinite army who would annihilate all life in the universe.Дemons transcend all realities, destroying their possible worlds. Thus, Sargeras conceived of a sweeping campaign to bring about the end of all things: the Burning Crusade. World-souls needed to be gone or there would always be a risk for a dark titan to awaken. The universe had to be destroyed utterly and remade without the underlying defect. Under these circumstances, the struggle was futile. As long as the Void lords tried to corrupt nascent titans, there could be no peace. ДЄfter realizing that the demons he defeated did not truly die and simply returned to the Twisting Nether to reform, Sargeras created the planet Mardum, the Plane of Banishment to which he would bind all the souls of all the demons he'd defeat so when they would return to the Nether, they would reform on Mardum and remain imprisoned for all eternity.Д®ventually, Sargeras learned about the fundamental flaw in the universe, a flaw that made his primary purpose an impossible goal. Sargeras, the most powerful warrior among the Pantheon, carried out his duties for countless millennia, seeking out and destroying the demons wherever he could find them. To combat the demonic entities that made their way into the titan's worlds from the Twisting Nether, the Pantheon elected their greatest warrior, Sargeras, to act as their first line of defense. Where the Twisting Nether bled into the Great Dark Beyond, demons would pour and destroy civilizations and worlds. The Twisting Nether became home to an infinite number of demonic beings, most of whom sought only to destroy life and devour the energies of the livings. Life would arise in the Twisting Nether too in the form of the first demons, born as a result of this clash between the two energies. Light and Void bled together at the borders of this realm, throwing it into turmoil with chaotic magics. However, the vast majority of them joined the Fallen Titan Sargeras and his Burning Legion, with only one purpose: destroying all world-souls in the universe.ДЄs the universe formed, the most chaotic energies unleashed by the clash between Light and Void coalesced into an astral dimension known as the Twisting Nether. Not all demons are evil either, many are neutral such as the observers, who serve anyone that would allow them to observe the mysteries of the universe and feed upon all sorts of magic, or the demons serving the Illidari and the Black Harvest against the Legion. Though most demons have a deep connection with fel magic, not all of them use it, such as the demons that joined Illidan Stormrage and who fed upon his arcane source of energy instead, freed of the dependence of fel, or Lothraxion, a nathrezim infused with Light magic. Not all demons are sentient, various animals have been transformed into demons for instance, and some started as constructs such as infernals. Indeed, mortal creatures can be turned into demons (a state draenei demonologists call 'man'ari', meaning 'twisted, unnatural, defiled') by being infused with large quantities of fel magic, usually in the form of a gift or blessing such as the one Sargeras offered the eredar or as with the case of the nathrezim. They can be truly killed only inside the Twisting Nether or in places where its chaotic energies leak. A demon is fundamentally a creature whose soul is bound to the Twisting Nether, and as such returns to that plane upon death. Originally, 'demon' is what the races born from the Twisting Nether ( annihilan, sayaad, shivan etc.) are called, as opposed to the races of the Great Dark Beyond (such as humans). Most of them feed upon magic and life, and delight in inflicting suffering, spreading corruption, and destroying all that is good. Demons or dae'mons ('twisted souls'), female demonesses, are immortal beings linked to the Twisting Nether.

Demon race d&d