Obtain a Super System at the Beginning to Travel Through the World

The protagonist Long Xingchen gets a super system at the beginning, and travels to various worlds to fight, such as global disasters, full-time mage, Douluo, Dou Po, pirates, Naruto, etc. Everyone in Cataclysm: We finally reached the fourth level fortress! Long Xingchen: What! You are only at level 4, but I am already the strongest fortress, okay? Versatile Mage Mo Fan: I'm awesome, I'm already in the fourth element! Xingchen: I have all the systems and even new ones. Douluo Dou Po Pirates Naruto: .............? The protagonist has experienced all the beauties from all the worlds, and the villain is powerful. Let's see how the protagonist relies on the system to become the strongest in all the worlds. Harem stories, no pretending to be pigs to eat tigers, no breeding horses, accept those beauties, please leave your comments in the comment area, the author will try his best to satisfy This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.