Apocalypse: How to Break the Binding Savior System

Han Luo returned to an hour before the end of the world, what? Want to save the world as a good-for-nothing? What should I do if I am forced to bind myself to the savior system? The system comes with three skills, space, defense, and food production. How should I use my skills to save the world? Can space contain monsters? Can monsters be used to make food? If the system doesn't say it can't work, then use it to fix the bug. Suddenly I feel a little sorry for the monster, but who makes me the savior. Let's see how we can dominate the world and benefit mankind. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.