After Practicing for Three Years, the End Has Not Come Yet?

In the future world, alien creatures invade, doomsday comes, and mankind will face catastrophe! Su Chen, who struggled to survive in the doomsday, got a golden elixir in a miracle, died in danger, and returned to the past world! That is three years before the end! In order to welcome the end of the world, Su Chen stopped going to college, exhausted his family wealth, abandoned everything, and went to Qianlong Mountain to practice, just to improve his strength! Finally, three years later, Su Chen gained terrifying strength! The day of doom has also arrived! However, on this day, God played a big joke on him. The end did not come, and everything seemed calm. Looking at the still normal world, Su Chen's mentality collapsed. After practicing for three years, the end has not come yet? Real or fake? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.