Backstory:
The legend goes that Ndur’Kul was created by a powerful demon lord. He was created an Abomination, he fought for his lord and defeated and consumed many rivals. Slowly growing stronger he soon came to rival powerful demon princes and still he fought for his masters. Worry started to overcome the masters from his demonic world, they sent him on a suicide mission to destroy a rising lord. The battle lasted days but Ndur’Kul defated and consumed the lord.
Apon learning this his own masters banished him into the void. Ndur’Kulwas consumed by hate and anger at the treason he was traped and could not escape, but the demonic nature is thickle and his rage made him stronger and stronger until after centries of consuming the souls of thoses he could lure to him, he defeated His masters curse.
In what is now known as the second rising, Ndur’Kul emerdge from the darkness to take revenge, his body was mutated and distorted beyond imagining. During his solitude he became mad and all attempts to ally with him ended in huge massacres.
Ndur’Kul is now the size of even the biggest of demon lords, he became a lord himself by totaly annihilating the lords of his homeworld.
Since thoses early days Ndur’Kul has roamed killing everything in his past, only the most demented demons follow him. The opening of the rift into the world of humans was an opportunity that Ndur’Kul did not miss. He passed into their world to reak ravage on huge scales killing machine, human and demons alike. He is feared by all.