DC: Villain Gacha Essences

MC [Alex] who was the world's most feared assassin is transmigrated into the body of the 'Dark Knight' in D.C but younger and with a new identity as well as a Gacha System. Alex will now become a villain and get revenge as the 'Dark Knight', how far can a human go against supervillains, superheroes, and Gods and Goddess? You will soon find out as this human is reborn with a Gacha System. [MC is not exactly Batman you will see the more you read]
[LOTS OF GORE AND R-18 CONTENT YOU HAVE BEEN WARNED]

Now Alex will have the power to change his destiny. He will be able to summon characters from all across the superhero multiverse, even Marvel or other superhero verses such as Dragon Ball Z or even One Punch Man. Of course Alexander can even gain superpowers and weapons from D.C and other superhero verses with his Gacha System. First he will have to gain levels and do missions. Now let his journey begin to the top of D.C and many other superhero verses. [Hardcore R-18 Fanfic]