No system, no time travel, the protagonist has a high IQ and is cold-blooded and decisive. After being defrauded of all his savings and facing unemployment, Qin Fei signed up for a one-way interstellar mission, just to leave money for his parents. When the spaceship crashed into the Death Star, he unexpectedly obtained ancient inheritance and embarked on the path of cultivation. After returning to Earth, he personally liquidated all enemies with his power to crush mortals, entered the underworld to build the Temple of Hell, and returned to the Death Star to seize ancient relics. Invincible in three realms in the end
