A fire was thrown down. Jin Buhuan and the three quickly sealed the entrance of the spider's cave with a boulder. The fire immediately ignited the diesel they had sprayed and completely burned all over the cave.

After a long time, there was no movement below. The three finally breathed a sigh of relief and rested in the small black room for a while.

As soon as I looked, there were white bones everywhere, but according to Jin Buhuan's observation, most of these white bones were animal bones, which should have been poisoned by the black widow.

"Next, we're going to get down to business. I don't know where the bronze armor body in Xishuangbanna is..."

After a long rest, the three got up and entered towards the other side of the palace. However, there are four floors in the palace, and they have come to the end.

Jin Bu changed to do the same. He corroded a hole with aqua regia, and then the three drilled out one by one.

At present, it is finally connected to the underground river channel. However, just as Jin Buhuan and Cao pangzi were about to swim down, Bai Hu shook his head. Although they can't buy ships in the system due to class restrictions, they can make one.

On this thought, the white fox returned to the previous bone ground, and then pieced together intact bone blocks. These bone blocks were all carefully selected by her and the materials passed the test.

"Worthy of being a scientist, our brains are our good work, cow force!"

Jin Buhuan and Cao pangzi also deeply admire Bai Hu's move. They can't laugh or cry. Why didn't they want to make a ship before?

Therefore, with the concerted efforts and sincere cooperation of the three people, the bone blocks were bonded with the top-level materials, and a bone ship was soon built.

With a pop, the ship was pushed into the cold and dark waterway, swaying and did not sink. The three tasted steadily and got on the bone boat. Then they took the cow bone as the oar and rowed the water wave.

Jin Buhuan took out the torch and oil lamp, put them on the bone boat, and suddenly lit up a little in the cave. According to the location of the map, the three drove slowly upstream.

The surrounding karst cave is still a bit damp and cold, the cold air is diffuse, the lights shake slightly, and the three are silent, all doing their own work.

Gold doesn't change oars, Cao pangzi is preparing food, and white fox is using precision instruments to gain insight into the surrounding conditions in order to avoid risks. The three men performed their duties and drove quietly in the waterway for four hours.

During this period, except that the bone ship hit a huge stone and shook for a while, there was no big accident. These bones are very hard, and even after severe tremor, they still don't have much damage.

Tick——

The bone boat was moving quietly, but just as it passed a narrow bend, the alarm sounded from the white fox's instrument.

"There's movement ahead!"

The white fox took the data glasses and carefully detected the surrounding waters repeatedly. Sure enough, a piece of scarlet blood flowed down in the waters ahead.

"Blood, it should be animal blood."

Before Jin Buhuan and Cao pangzi took out the analyzer, the white fox took a handful of blood in her hand and sniffed at the tip of her nose. Out of the perception of a scientist, she came to a conclusion.

"Animal blood, what's going on ahead?"

Jin Buhuan and Cao pangzi muttered a few words, and then accelerated the ship. Soon, there was a noisy sound in front of them.

"Where did the blood come from!"

The three looked not far away, and a huge unidentified object appeared on the water. At the moment, it stirred up a violent spray around it and made a harsh sound. Blood splashed down the river.

At this moment, the surrounding of the bone ship has been completely dyed red, and the blood emits a fishy smell. When they got close to the huge unidentified object, the three couldn't help taking a breath.

"Piranha!"

It was a fish with tusks that was alive and stirring up blood. That unidentified object is a huge alligator!

Whew——

At this time, the white fox shot a sharp iron hook and inserted it into the abdomen of a piranha. The instrument in her hand retracted the rod line, and the ferocious piranha landed on the bone boat.

"Such sharp teeth are enough to tear the flesh of any animal!"

Cao pangzi knocked the piranha's teeth with a metal object and made a clang sound. The sharpness of the teeth, like a sharp dagger, is frightening. The white fox picked it up and looked at it carefully,

"This should be the black violet piranha. You see, its neck is short, its skull, especially its palatal bone, is very hard, its body is oval, its side is flat, and its caudal fin is shaped. Its body is oval, its side is flat, and its caudal fin is shaped. Its body is grayish green, its back is purple black, and its abdomen is bright red. Its teeth are sharp, and its jaw is developed and has thorns."

The white fox is detailed and honest, and even has a very thorough understanding of the activities and attributes of this kind of piranha. Jin Buhuan and Cao pangzi listened with interest and thought that this guy was a living encyclopedia and could do anything.

"How can we get there? If this thing comes down, our bone boat will be eaten up."

In that case, trouble will come. How can they cross this river? This piranha is not joking. Even if an elephant is thrown in, it will turn into white bones in an instant.

"We can only dock first. When these piranhas finish eating crocodile meat and sink to the bottom, the smell of blood dissipates, we're rowing up."

After that, the three men carried the bone boat onto a huge stone not far away, and then made a fire. Cao pangzi wanted to have a taste. He captured several piranhas alive and put them into the pot for stew. Unexpectedly, the meat of this fish is compact and delicious, which makes people have endless aftertaste.

Several people waited for three hours until the blood completely flowed down the water and the unidentified object sank to the bottom of the water. Then they put the bone boat back into the water.

"Don't worry, as long as there is no smell of blood, piranha won't swim up."

At the moment, the water surface is unusually calm, and even the previously turbid waters become very clear. This kind of clear, even some unreal. The three sighed and began to paddle the bone boat carefully towards the upstream.

Tick!

"Shit, my nose is bleeding!"

Suddenly, the fat man scolded, his nostrils couldn't stop bleeding, and one of them slipped into the water.

"No!"

Gulu Gulu ~

Piranha pomfret's sense of smell is very sensitive. Even the slightest smell of blood can be perceived from a distance. So, just for a moment, the water boiled again.

Quack, quack, quack——

One piranha floats up, and its scarlet eyes are like demons, especially the teeth that bite up and down. It makes a clicking sound like sawteeth, echoing in the hole, making the scalp numb.

"Fat man, you're killing me right now..."