Why Is This World I Traveled Through a Bit Two-Dimensional?

Sometimes time travel is like that. Don't be unreasonable, don't push your luck, and don't follow procedures. Chang Le just opened the toilet door at home and traveled through time. "Okay, that's it." "Then first..." With the surge of memories, Chang Le roughly understood the world. Mythical creatures invade and special abilities awaken. This is a dangerous world completely different from his original world. Mythical creatures, extraordinary abilities, mythical relics... All kinds of things that subvert his three views appear in his life. But the problem is? Chang Le looked at those things with doubts in his heart. "I think I can barely understand the matter of time travel, but why do I seem to have seen those things somewhere before?!" "As seen." Looking at those things, Chang Le seriously suspected that the world was a suture monster. But even so, what can he do? There is nothing to do, he still wants to save the world. A person with restricted abilities that is the ceiling of humanity. Chang Le shoulders the great responsibility of saving mankind and changing this era. Who told me that my predecessor had lost my temper, so I was anxious to drag him, a college student, to carry the burden forward. "Alas..." Chang Le after knowing all this, In the end, he could only act as an antique shop owner on the surface, but in fact, he secretly used his abilities to seal "familiar" mythical creatures one after another. Completely change this era.