This is probably the prototype of a weapon that can fight against giant beasts!

With super powerful penetrating power, behemoths shouldn’t underestimate this weapon, right?

Moreover, this is just a green-level wooden weapon. If it were a purple-level metal weapon...

This Ma Hongwei is simply a weapons master!

It's a pity that the two types of heavy crossbows he made are both made of wood. I don't know how he can make a metal heavy crossbow.

Although Xu Xin can make metal weapons, Ma Hongwei's blueprint was researched by himself, so Xu Xin naturally has no way to unlock it.

Is it necessary to use metal materials for research?

No, we can’t waste any more time, we must seize the time to contract with him! This person is too important!

He must be made to obey completely!

"Xu Xin?" Lou Fei'er poked her head out from the stairs and looked at Xu Xin, "It's not over yet... God, why is this floor so messy!"

She walked up, frowning.

The sawdust all over the ground is indeed very messy. If Ji Chaoyang were here, I'm afraid he wouldn't be able to accept it at all.

"I found something good on the first floor." Lou Fei'er handed him a blue-level backpack, "Take a look."

In this backpack, there are actually blue-level treehouse repeating crossbows and super-heavy crossbows.

Xu Xin roughly understood how Ma Hongwei's research and production were carried out.

When he researched weapons, he needed to consume a lot of materials, so he used green-grade wood and animal tendons. The waste materials all over the ground can tell how much he consumed.

After actually assembling a new weapon, he can obtain the blueprint of the weapon and use the weapon and armor making station in the production room to use the same high-end materials to make higher-end weapons.

A green-level repeating crossbow and a green-level super-heavy crossbow on the third floor are the finished products he developed.

The blue-level crossbow in the backpack that Lou Fei'er discovered was a more advanced weapon that he made using blue-level wood and blue-level animal tendons through the weapon and armor manufacturing station after obtaining the blueprint.

"Have you seen any special workbench?" Xu Xin asked Lou Fei'er.

"No, I have checked every one. Except for the control panel, they are all workbenches that can be made by all survivors." Lou Feier shook her head.

Xu Xin nodded slightly.

That's probably all there is in this treehouse.

"Go ahead and put away all the decorations in the tree house."

"good."

Lou Feier was very obedient and went to the second floor to collect decorations.

Although she is not very obedient at ordinary times, once Xu Xin gives her an order, she will obey it unconsciously like Silver King Mimi, and will not feel any problem.

If it was her before, she might still struggle a little, but now she has given up struggling.

From the heart.

She now wants to quickly get Xu Xin and Ma Hongwei to sign a contract, so that there will be people in the same situation as her. Later, she will continue to increase the number of people contracted. As the first person to be contracted, she will be the real eldest sister!

hey-hey……

Xu Xin also breathed a sigh of relief, and then smiled slightly.
Chapter completed!