I Sign In at the Demon-Locking Pagoda, Then Slay Immortals and Become a Saint!

Betrayed by the woman he loved most, his cultivation crippled! On the brink of death, Lu Fan is thrown into the Demon-Suppressing Tower, where he is doomed to remain forever! [Ding-dong! Congratulations, Host, you've successfully activated the Supreme Sign-in System...] [Ding! Sign-in successful. Acquired Pure Yang Divine Physique!] [Ding! Sign-in successful. Acquired Nine Dragons Pulling a Coffin!] [Ding-dong! Sign-in successful. Acquired Dragon-Elephant Prison Suppression!] Every sign-in brings astonishing rewards! When Lu Fan finally walks out of the Demon-Suppressing Tower, he discovers that he has become unmatched in the world!