When Gervais and Anna arrived at the hall, it wasn't long before a messenger dressed as a valet was ushered in by Thomas.

When the messenger dressed as a manservant came to Gervais, he saw the huge wolf head on Gervais's table and chair, and the sharp teeth in the wolf's mouth, his pupils couldn't help shrinking, and his body trembled slightly, but fortunately he now represented his master, and he didn't dare to show anything that would damage Baron Pat's face, and tried his best to suppress the panic that had just been momentary

"Dear Baron, my master, Baron Pat, has asked me to bring you my sincerest greetings!"

Baron Pat's messenger came to Gervais, saluted Gervais, and then spoke to Gervais in a respectful tone.

"Thank you Baron Pat for your greetings, I wonder what happened to Baron Pat sending you to my castle this time?"

Gervais straightened his back, sitting in his special seat, stroking the storm wolf's head on the armrest with his right hand, the performance of the messenger just now, although Thomas and Anna did not notice, but could not escape Gervais's eyes, which made Gervais a little suspicious that his current appearance must be very similar to those mountain kings in the movies on Earth.

"Dear Baron, this is a letter written by my master, Baron Pat, please take a look!"

The messenger immediately took out an envelope from his bosom and bent over it to the front.

When Anna beside Gervais saw it, she immediately stepped forward to take the envelope and handed it to Gervais.

Gervais took the envelope, brushed the paint off it, took out the letter paper, and began to read.

"Sir Gervais, I have taken the liberty of sending someone to disturb you, but as your neighbour, I feel it necessary to visit you and strengthen the affection between you and me, so that I may not be obtrusive, I have sent a servant to deliver a letter, and I will depart to-morrow to arrive at your castle with my friendship and gifts! – Pat Bowyer"

Before picking up the letter, Gervais wondered if Baron Pat had invited him to a banquet or something, but after visiting the letter, Gervais was a little confused.

If people want to get closer to the neighbors, it is good to invite guests to come as guests, this Baron Pat is good, he directly said that he wants to come to Gervais as a guest, how thick-skinned is he to be a guest at a stranger's house for no reason.

But fortunately, Baron Pat said that he would come with gifts, otherwise Gervais would have thought that Baron Pat had encountered some difficulties and could not afford to eat and wanted to come to him to eat.

"Did Baron Pat say why he's here tomorrow?"

Gervais put down the letter, looked at the messenger, and asked him.

"I am very sorry, Lord Baron, that my master did not give me any extra orders, but only asked me to bring his sincere greetings to you, and this letter."

The Courier heard Gervais's answer, withdrew his gaze from the strange storm wolf, and replied respectfully to Gervais.

"Well, in that case, you can help me and Baron Pat to say that I very much welcome his visit and look forward to his arrival tomorrow!"

Since the messenger couldn't ask anything, Gervais didn't think much about it, anyway, Baron Pat found his own reason, and he could find out tomorrow.

"Yes, Lord Baron, I will bring your words to my master, and the little man will take his leave!"

The messenger wrote down Gervais's words and immediately saluted Gervais.

……

When Pat's messenger left, Gervais came to the vestibule, and walked to the stone house where the gunpowder was stored, and since the fence had been built here, Gervais had moved his grenade shop from the mill to this side, where the fence could prevent anyone from sneaking into the stone house, and more importantly, it was far away from the walls and the walls of the castle, so that even if there was an accident, it would not cause great damage to the castle due to the explosion.

This place was named a laboratory by him, and although the servants didn't understand it, as long as Gervais said that he would go to the laboratory, then Anna would obediently wait for him in the inner castle and would not follow him, because this laboratory was only accessible to Gervais.

Since the successful test explosion of the improvised grenade, Gervais has been thinking about how to make a new lead, because the first lead made is too simple, and the burning speed is very fast, which requires lengthening the lead to ensure its own safety, but the lead more than two meters long cannot be used for actual combat, it is completely chicken, so Gervais has been experimenting with what material is more suitable for the lead.

To slow down the fuse burning, but not too slowly, Gervais first thought of reducing the amount of gunpowder, but found it useless.

Then Gervais started from the material, first with paper replaced with flax thread, but it is not ideal, because the flax thread does not absorb water, the gunpowder sticks to it and dries it is easy to fall off, and it is likely to be extinguished after ignition and throwing, yesterday Gervais finally thought of one thing, that is, cotton, because the cotton yield in this world is not high, cotton is even more popular with nobles than wool, only nobles can afford cotton clothes, and Gervais only has a total of two sets of cotton clothes.

After thinking of cotton, Gervais immediately took out a set of his own cotton clothes, and directly pulled out a small handful of cotton from the small hole in the cotton clothes, the hole in this cotton coat was cut by Gervais when he went to the dark forest that day, and the cotton used to plug his nose was officially dug out of this cotton clothes.

After getting the cotton, Gervais kneaded the cotton into a thin rope, and then mixed the gunpowder into the soup of the boiled wheat, mixed the two together, the gunpowder became viscous and not easy to fall off, and then soaked the cotton rope, and after taking it out, the whole cotton rope was full of gunpowder, and Gervais directly left to dry.

Today, Gervais dared to come here to test whether its cotton lead could achieve the desired effect, when Gervais picked up the black slender lead, directly used scissors to reduce a small section, and then came to the open space outside the house, and ignited the cotton lead with a fire.

Hiss~

1，2，3…… 7，8！

"Haha! It worked! ”

After lighting a section of five or six centimeters of lead, Gervais was surprised to find that the cotton lead burned at exactly the same rate as he expected, exactly the same as the burning speed of the fireworks in his previous life, as long as the length of the lead was controlled, then the grenade could be used safely.

The success of the lead meant that Gervais's grenade was about to be ready to be produced and truly in real combat.

At the same time, it also means that he will be able to find trouble with the unicorn again tomorrow and the day after tomorrow, if he can really rely on this grenade to kill the unicorn, then Gervais will definitely make a lot of money, 1,800 catties of monster meat is worth more than 80 gold coins, and the long horn of the unicorn must be worth a lot of money, thinking of this, Gervais became hot in his heart, and hurriedly took care of the stone house, preparing to go to the blacksmith shop to get the iron pipe he ordered the day before yesterday, which was forged by Gervais for Bernard in order to make grenades.