I'm Such a Fairy

The protagonist travels through the world of cultivating immortals and wants to change the world. He directly set off the industrial revolution, but how could a world where great power be attributed to himself be changed so easily? The male protagonist tried twice and failed twice. After that, the sect was destroyed and he was imprisoned for 50 years. Then the male protagonist escaped and started a third struggle. He joined the enemy sect as an undercover agent, developed secretly, united more forces and waited for the opportunity to come. It is not a brainless article, showing the cruelty of the world of immortal cultivation and the struggle between humans and immortals to all readers.