Ten minutes later.

Fan Yu finished testing the airsoft Yuhao created and was impressed. Like the first, he didn't need soul power from the user but after a dozen of shoots, it needed to recharge. However, the power was like Yuhao say, as it can really hurt a no-spirit master very badly.

"So, what did you think? It's not really useful in war but for the soldiers in charge of the order for the no-spirit master's population, it will help and we can make some even bigger and powerful that can even hurt Spirit Elder. With a change in the projectile, we can make them deadly."

"Hum...the use is limited but useful, the only problem is the manufacturing."

"Oh, about that, don't worry. The parts can be manufactured in mass by casting and the finishes can be done by a normal person, the assembly too. The metals don't need to be of good quality just some iron with 60% of purities, and that at the start. I already have some idea of how to create a hard and light composite material from vegetable matter, although some research is needed." Explained Yuhao.

The teacher didn't know how to answer back. 'That kid is truly...'

"Try the third, I'm sure you will be pleased." Say Yuhao while taking the metal baton in his hand before standing in front of him." I will strike you with this, please don't reply back."

And then he strikes Fan Yu with it. The end of the baton touched his chest.

...

"Hey! You could say something, like 'It hurt' or 'Arrrrrgh'. Play along!"

"...Why should I? Your baton didn't do anything."

"That come, be patient. Repeat after me 'It hurt!' " And then he pressed the switch on the baton. A high-intensity electric current went through the metal bar.

"Ge-" Reacted Fan Yu when the electricity passed in him. He then stands back by one step.

"He? That not the reaction I was waiting for...but you are a Spirit Douluo so it normal."

"That thing...it produced a thunder attack with the same power of a Spirit Elder."

"Well, it was the max power. With this intensity, the tool can only be used continually for a minute. It's good that you can use shorts salve and that the power can be lowered. At the lowest, it can last one hour continually. That thing is more difficult to manufacture than the Airsoft but that can also be left to normal people."

"Ok...What can I say? You are a genius, have you really created that by yourself? "

"Of course, and that only the tip of the iceberg. I have many and many ideas but I don't have the resources to make them a reality."

"So, what do you want to do with Shrek?"

"Easy, you give me resources for my training and my research and in return, I join you and give you access to all my work...only, the prototype I create by myself must be my own property and you can't say anything about their use."

Hearing his conditions, Fan Yu hesitate. The items Yuhao showed to him were revolutionary but more research must be done for it to be useful for the academy. With the sun and moon empire who grow in strength as each day pass, what they need is more firepower.

"...Your device is good but I don't know if the academy will accept to exchange it for an unknown amount of resources that you will need as we can't make sure this will give us return."

"And if I give you a weapon who can annihilate the sun and moon empire?"