Dry sulphur in the form of fine granules.

Next to the sulphur were saltpeter and charcoal that had been prepared.

For the three materials, Xu Le grinds different stone mortars into powder, and then mixes them evenly according to the ratio of one sulfur, two nitrates and three charcoals.

The mixed powder presents a gray black color, and a small tip is piled up.

For the first preparation, Xu Le didn't rush to make too much.

The purity of these materials on the island is not high, and this flammable and explosive substance may cause danger if you are not careful.

Be careful to sail the ship of ten thousand years.

"And if it hurts my face, won't it be worth the loss......

Xu Le shoveled up a little mixed "black powder" with a thatched pole and put it on a stone slab.

Light the other end of the thatched pole with a flame.

The flames slowly burned to the other side, and finally—

Woola!

The black powder began to burn violently, emitting dazzling sparks!

At the same time, a puff of white smoke rose and a pungent smell of saltpeter and sulfur mixed was blowing in the face.

Succeed!

【Fuel Refinement Skill has been upgraded!Current Level Lv.3!】

Is the preparation of gunpowder also considered fuel refining? So as long as it can be ignited, it will be...... Xu Le complained about the system.

Start preparing gunpowder in large quantities!

Barrage in the live broadcast room——

"Come on, come on, Xu Le once again proves that only we can't think of it, no Xu Le can't do it!"

"And when I look at the surface of the stone after the gunpowder is burned, there is basically no residue left. This shows that the gunpowder ratio of Xu Le is almost perfect!"

"Guess what? I'm not surprised at all! I can make Zhuge Lianya and a thousand machine umbrellas, and configure a gunpowder, so it's not easy to capture?"

"The gunpowder has also been made, but what is Xu Le going to do next?"

“......”

In the puzzled eyes of the audience in the live broadcast room, Xu Le had already ground all the prepared sulfur, saltpeter, and charcoal into powder.

The raw materials are mixed in proportion, and the prepared black powder is placed in a clay pot and set aside.

Then take some dry thatch and tie it to a wooden stick about two centimeters in diameter.

After the layers are compacted, the wooden stick is removed and a hollow thatch roll is obtained.

Watering and mud to seal one end of the thatch roll, and at the same time paste a thin layer on the surface of the thatch roll.

Finally, the thatch roll is filled with black powder and compacted.

A halved thatch stalk was inserted into the black powder as a fuse.

The whole finished product is about ten centimeters long and three or four centimeters thick.

Xu Le rolled the thatch wrapped in gunpowder in front of the camera lens and said, "Don't imitate the friends in the live broadcast room." ”

"We use this method to make a simple cannon battle, which is very powerful, but the safety is very poor. ”

"It's okay to use it in the wild, and you can't do it where you live. ”

"On the one hand, the whole production process is not easy to control, and it is very easy to cause fires and injure lives. ”

"On the other hand, even if you do it, you will be arrested by the police uncle. ”

"We can't do things that violate the law and discipline, it's really itchy in my heart, just watch me broadcast it live to everyone. ”

There was a goodwill barrage in the live broadcast room-

"Hahaha, Brother Xu Le, this is bitter. ”

"Understand and understand, we are all good babies, just watch Xu Le's performance!"

"Little Brother Xu Le is so good! Send flowers to Little Brother Xu Le!"

"Reward Rose X10"

"Ice Coke X3"

"Tip 666X66"

"Tip Rocket X1"

"Reward a rocket, I hope to see Xu Le build a rocket as soon as possible!"

"The exaggeration upstairs......"

[The popularity value of the current live broadcast room: 775000!]

“......”

Xu Le made more than ten gunpowder rolls in total, and the prepared gunpowder also consumed seventy-seven-eighty-eight.

"Gunpowder is a dangerous good, try to prepare it as you go, don't store it too much. Not to mention the danger, the island is very humid, and it is impossible to use it when it is damp. ”

Lin Xihan raised his chin suspiciously: "Then what are you planning to use it for?"

"It's not yet the time for the New Year......

"Whew......" Xu Le grinned, "dig the bedroom." ”

Lin Xihan's head was full of question marks, and he thought for a while before reacting: "You want to blow up the mountain?"

She looked back at the cliff behind her, in horror.

To be honest, yesterday's rainstorm caused landslides everywhere, and Lin Xihan still has palpitations.

If this collapses on the cliff where they live, let alone the victory of surviving on a desert island.

Then you can directly wash and prepare for the next life.

"Are you sure...... No problem?" Lin Xihan shrunk his shoulders weakly.

What responded to her was Xu Le's back, and a nasal voice-

"Humph!"

Okay, okay...... Lin Xihan wrinkled his nose.

Back at the construction site, Xu Le used an iron pickaxe to punch a groove about four centimeters wide and more than ten centimeters deep along the edge of the door frame at the halfway point of the excavation.

Then put in the powder roll and leave the thatch fuse outside -

Ignite!