The World I Am in Goes Back in Time and Space

[Note: This is not time travel, not time travel, this is time and space travel! Don't forget who you are, don't forget...] When he woke up, Wang Yu was not yet surprised by the time travel. The sudden appearance of the leather book and the contents on it made his hair stand on end. Time and space went back again and again, and the world became strange to Wang Yu. Warriors, warlocks, ghosts, monks, strange things from various legends appear one after another. Wang Yu followed the guidance of the cowhide book, avoided dangers one after another, found opportunities one after another, and his strength increased rapidly. One day, the cowhide book suddenly trembled crazily, and a string of scrawled words appeared. [Be careful... Be careful... They are coming, they are coming, stay alive, you must stay alive!