Any Door: in the Beginning, I Traveled Through All the Worlds

A curiosity! Chu Tian accidentally obtained any door that could travel through all the worlds. The abandoned young man from a wealthy family starts a wonderful life! Learn peerless martial arts! Get immortality! I still have a shadow clone! Guo Jing and I have a match! I am the big brother in another world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.