People Are in the Grand Line, Starting the Magic Dungeon!

In the year 1520 of the Hainan calendar, a strange space called "Underground City" came to the Grand Line. At this point, opening boxes, buying cans, and breaking into dungeons have become the ways to achieve everything. Sauron: "In order to become a professional sword soul, one day I will become a sword master and let my name be resounding in the heavens! Let's form a group and go through the thundering ruins first!" Sanji: "Phew, Celia-chan is very cute today! For her, I am willing to give my heart!" Luffy: "Dungeon! Endless adventure! Jarhead, come be my partner!" Pirates: "Compared to the illusory secret treasure, every clearance and settlement in the dungeon is more delicious!" Navy members: "We must not allow pirates to run rampant! All colleagues are grinding dungeons 24 hours a day, and the nearly unlimited resources of the dungeon must be controlled under the banner of absolute justice!" And Yan Yao, the mastermind behind all this, smiled slightly and silently adjusted the version values, so that everyone... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.