The End Is Coming? Good Thing I Have a Double Pass!

Bad news! The end is still ten days away! Good news! Lin Xuan obtained a double portal, and he could travel to the doomsday world three years later at will! What! Don't have money to stockpile supplies when the apocalypse comes? "Don't panic! First let me get a bottle of canned fruit and go to the future world to exchange it for a few hundred kilograms of gold!" What! Are there any chances of being infected during the apocalypse? "Don't panic yet! Let me go to the future world to get some antivenom!" What? Are the zombies too powerful? "Calm down! Let me go to the future world to inject an S-level strengthening potion first!" What? Will humans become extinct in the future world? Because a giant starry beast appeared? "I'm afraid of a hammer! There are still three years left in the real world. Let me first train five hundred godly disciples and scare them to death!" What? You say I am the number one God of War? And has it protected human civilization? "Don't be ridiculous! I just resold hundreds of millions of supplies from the two realms, made billions of preparations in advance, and then became stronger than billions, ahem... By the way, I brought billions of warmth to those domesticated girl slaves!!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.