The Great Luo Jinxian of All Heavens Is in Another World

Introduction to this book: This book is about the protagonist suddenly getting a system in the city, and with the help of the system, he travels to all the worlds. The world he travels through includes the bright moon of Qin Dynasty/Mythology/Nine Uncle Worlds/Three Lives, Three Worlds, Ten Miles of Peach Blossoms/Hua Qiangu/... Etc./The protagonist finally realizes immortality in all the heavens and all the worlds. Since I am new to writing, if there are any deficiencies, please forgive me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.