An All-Purpose System for the Beginning of the Apocalypse

One year after the end of the world, good-for-nothing Han Qi obtained the omnipotent system and awakened his powers. Killing zombies and taking in younger brothers, I thought my future life would be so ordinary. [Host, you need the Heart of Poseidon in the underwater world and the Phoenix Tears in the inner earth world! He was helplessly taken to the mysterious world in Blue Star by the system. [Host, the biggest villain and his little brother are driving a space battleship towards Blue Star! What, why is it related to the interstellar war?