Fate/Villain System

MC has the powers to transform any Fate Heroic Spirit/ Servant into alter form with his Villain System. This story is evil MC who was once gamer and reborn as Gilgamesh now is brother of Emiya after first Holy Grail War and now MC is seeking revenge against the ones who betrayed him. MC has the power to turn any evil villain from this world [Earth] such as Hitler etc. [Evil humans] into alter servants with his Villain System, Gilgamesh is now a Master and can control servants such as Saber[Artoria] . So expect lots of Genderbend and R-18 as the Villain System gets stronger by doing lustful sexual acts with females from Fate verse and killing and fucking other sexy female Magus, servants, Gods, and Demons even Dragons! [WARNING]: Evil MC and extreme Hardcore gore, violence, and R-18 sexual content. Multiverse Harem Fate fic worlds like Highschool DxD, Trinity Seven, Devil Sister Testament, Overlord, Basically any harem anime world will be this fic. Expect a huge harem of 100 girls. Go big or go home. [WARNING]: Extreme Gore, torture, and R-18 content.