My Senior Brother Is Too Strong

By chance, a modern man traveled to a prehistoric world where demons, monsters, and monsters were rampant, and got an AFK system. From then on, all he had to do to practice spiritual practice was AFK! "Ding! You can get 40,000 experience points and a secret book by hanging up for four hours in the realm of returning to the Dao!" "Ding! You hang up for ten hours at the Yuanxian realm and get 10 million experience and Hongmeng magic weapon!" ......... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.