Start by building a Star Destroyer

Lu Yan relied on the Xueba system to achieve success in Harvard University, but at this time, the system told him that the end will come in two years, and opened a new module of live broadcast lottery...
Since then, the world has lost one of the youngest Nobel Prize geniuses, and in Douyu's live broadcast room, there has been a "lunatic" clamoring to build a star destroyer!
The first day of building a Star Destroyer: "This is Harbin Beer", "Smart anchor who makes a splash"
No. 20 days of building a Star Destroyer: "Fuck, it's really a nuclear reactor, and the anchor made Iron Man?"
On the first day of building the Star Destroyer, Ying Jiang couldn't sit still, and a fat guy born in the 1s next to Huaguo began to tremble: "Smecta, my nuclear bomb is out of date?"
Two years later, the end came.
Seeing the giant coming out of the wormhole in the dimension, Lu Yan just smiled faintly.
"Come on, pull out my Italian cannon, ah, no, it's a star destroyer, and give them a taste..."