I Handed Over a Two-Way Portal, and an Iron Tide Swept Across Another World

[Submit a Dual-World Gate + an iron tide + an explosion of technological progress + crush all opposition + rule another world!] After obtaining the Dual-World Gate System, Shen Xuan originally planned to keep a low profile and develop in secret. But then he discovered that a million people had to form a team before anyone could enter the first instance. After careful consideration, Shen Xuan decided to hand over the Dual-World Gate and lead a mighty iron tide into another dimension. [The Dual-World Gate is opening. Please select a world...] [1. Primordial World] [2. Zombie Apocalypse] After Shen Xuan and his countless compatriots finished developing the other world, the Eagle Sauce still thought the Dragon Kingdom was the same as before and tried to pull a few tricks. But when they turned around, they discovered that the Dragon Kingdom had become invincible beyond its borders! Watching the nations tremble, the Dragon Kingdom reassured them: "Don't be afraid, we love peace! Relax, don't resist. You'll just feel a little dizzy, and it'll be over soon..."