I Have a Key: Be a Real Keyboard Warrior

I, Xu Zigang, can conquer demons, conquer demons, subdue immortals, and be proud of the world with just one click! In his sleep, Xu Zigang dreamed of a strange old man talking nonsense to him. When I woke up, I found myself in a different world! Is this time travel? I don't believe it! He practiced hard just to meet the strange old man again. Why? Just to pick up his own life weapon and slap him in the face! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.