Bad! Why Are There so Many Demon Kings in the Dungeon?

The most legendary and glorious writing in the thick parchment history book is the rise of the 'Final Demon King's City'! He is known as 'the eloquent stud lecturer', 'the god of magic tools who emerged from nowhere', 'the gourmet gourmet of monsters with a tricky taste', and the 'cunning and fickle final demon king'... The vampire archduke who flies with a sword, the orc god of war who sings "fight for the rights of beasts", the golden dragon who grabs the stone tablet version of "The Analects of Confucius" and whacks people... These powerful men who destroyed the city and plundered the land were all members of the Demon King Zhenyan. But few people know that in the beginning, the Final Demon King was just the weakest 'wandering soul' in the dungeon. Xia Jun: "Being despicable and cunning is the highest praise for a monster! Thank you for your compliment!" ———— "Autobiography of a Wandering Soul: The Rough and Windy Road to Becoming the Strongest Demon King" "Because it is not accustomed to the civilization of another world, this wandering soul culture invaded the other world" "Huh?" Are all the monsters in the dungeon my subordinates? "I, the final demon king, actually just want to stay in the dungeon and eat green pepper and shredded pork rice"