The Last Horcrux

Kel Kazan the undead death lord, stained and controlled by the abyss, bathe the world of Lordran with death and misery. Together with his seven generals, Kel Kazan led his armies of undead against all the living races of Lordran. The numbers of the ever reproducing humans split by half. The great tree of life of the elves decayed and rotting. The great plains the beastmen and torrens called home were corrupted by the stench of the death. Many fell under the undead armies of Kel kazan. Only under the combined might of all the living races did the great death lord finally fell. However, after be subdued and close to death, Kel Kazan made a final gambit and created his final Horcrux so that he may one day revive. Now, after many years, Kel Kazan has finally returned under a new body as Nora Valen. Now alive again, the great death lord is now ready to take vengeance upon the abyss for controlling him! However, there were a few problems more concerning than his new gender. How come there are orcs on Lordran? Why are the torrens extinct? Why am I level 1? Why are dungeons randomly spawning on Lordran? How much have things change since I died? Special thanks to proofreader, ArchmageNaoki, for editing this from chapter 32 onwards. Warning! This novel contains mature and dark themes.  This story is something I'm writing in my free time. Although I am a native speaker, my command of english is not perfect. So do expect a few mistakes here and there.