The library filled with books on biological alchemy flashed through Yu Yuan's mind.
His All-Nations Covenant Civilization could unlock the [Civilization War Fortress] through its civilization focus, gaining the ability to teleport between worlds.
That library might be a special legacy of the Biological Alchemy Civilization.
That was the only explanation for why a bronze-tier player possessed such terrifying biological alchemy blueprints.
At that moment, Yu Yuan was tempted.
He had only one thought: he would build it, whatever the cost...
"Rest in peace, brother. I'll finish what you started and build the ultimate weapon you never managed to make... If I ever offer incense for the dead, you'll be first in line..."
Yu Yuan pulled the USB drive out of the display screen.
It contained the blueprints for the [S-1 War Alchemical Dragon].
Something like this had to stay in Yu Yuan's personal safekeeping.
Then Yu Yuan emptied the collection room of all its supplies.
That explained all the biological materials in jars and bottles, along with the mechanical parts.
Clearly, the Scorched Underground Castle had stockpiled them specifically to build the [S-1 War Alchemical Dragon].
Even so, they were only a drop in the bucket compared to the materials required.
Clearly, if Yu Yuan wanted to build this ultimate weapon, he had to prepare for a long haul.
And materials were far from the only requirement. He would also need mastery of biological alchemy technology, high-energy crystals... and much more.
All this only strengthened Yu Yuan's resolve to turn this place into an alchemy laboratory.
Harmon was clearly the best candidate to run it.
"Biological alchemy and genetic modification have some things in common. Jiao Zhuo learned all his biological alchemy technology from those books. With Harmon on board, too..."
Yu Yuan understood that biological alchemy technology would