Reincarnated In Underworld

The MC became a slave to meet Lucian and him being the strongest existence in the world made it super easy for him to kill all the vampires so he just wants to pass time added that he gets to play around with Victor and meet Lucian also it explains in the later chapters to why he needs Lucian. This is a wishfullfillment fanfic and I am simply writing this for fun and also I will be going with the plot for those who