Review Detail of zFlame in Top Tier Providence, Secretly Cultivate for a Thousand Years

The Mc is so coward he didn't even dare to save his student and friends who is tortured he even brainwash his pet, and if he afraid really of death then he could just stay in seclusion forever until he reach the peak of cultivation, this novel is so confusing like i thought there are just one demon lord turned out there are millions and the cultivation level you said mahayana realm was the highest but no suddenly there more, the mc be like everything is danger!