Are All the Exercises Fake? so How Did I Succeed?

After high school student Bai Xuan bought a bronze mirror at an antique market, he discovered that he could use the bronze mirror to travel to a deserted island in another world. After guessing that he might have extraordinary power in reality, Bai Xuan found and joined a free exercise resource sharing and exchange group online. What? Are all the exercises fake? So how did I succeed? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.