Xiong Yu simply drew a topographic map on the ground, and said solemnly: "The good news is that I have probably calculated the location of the Dark River, and the bad news is that the Dark River is the closest straight line distance to us, which is five hundred meters away. ”

Xiong Yu said as he simply marked their location with the Dark River on the topographic map.

Sun Lanxiu frowned, shook her head and said, "We only have seven grenade shells now, and we can't explode a distance of five hundred meters at all." ”

Xiong Yu pondered for a while, and said with a slight smile: "That's not necessarily, listen to my command, I'm seventy percent sure that I can walk into the dark river." ”

Sun Lan said suspiciously, "What are your plans?" ”

Xiong Yu pointed to the entrance of the cave and said: "Let's move the stones that can be moved at the entrance of the cave first, how many can be moved, how many big stones can be moved, and then we will blow them up, the first thing we need to do now is to first collect grenade bombs near the entrance of the cave, when the cave collapsed, within twenty meters near us, there were many people from the Waden family who were stoned to death, and the bombs on their bodies could be recycled." ”

Sun Lan recalled the scene before the explosion, and also remembered that when the mountain collapsed, the people of the Wadden family saw the lava inside the volcano in front of them, and many people began to run backwards in confusion.

According to the situation at the time, there were indeed many people from the Wadden family who were stoned to death around this position.

Xiong Yu didn't say anything more, walked directly to the entrance of the cave, and began to clean up and remove some of the stones blocked at the entrance of the cave, because they were all stones that collapsed and fell from the top of the cave, most of them could be moved.

Sun Lan and Wang Yunxiu also came over to help move, but Xiong Yu turned around and said to Wang Yunxiu: "Don't do these rough jobs, you haven't practiced martial arts, your body is weak, try to save your physical strength, once we get to the dark river, when we swim across the dark river, we will consume a lot of physical strength, and you won't be able to stand it." ”

Wang Yunxiu is also a smart woman, after listening to Xiong Yu's words, she stopped, sat in a place and rested quietly, she knew very well that her rest now was the greatest help to Xiong Yu.

Xiong Yu and Sun Lan cleaned up quickly, and the stones at the entrance of the cave, they quickly finished cleaning up, and then began to continue to clean the stones in the direction of the cave that had collapsed.

However, they cleaned up a distance of about four meters, and found that there was a stone of about ten tons, which blocked the entire cave.

When the cave collapsed, there were large stones and small stones, and when encountering such a huge falling rock, it could only be blown up with a grenade bomb to pass through.

Xiong Yu did not hesitate, directly took out two grenade bullets, tied them together, put them in a place where the big stone was loose, and then detonated.

Sun Lan asked, "Why do you want to use two grenades directly?" ”

Xiong Yu pointed to the gap in the boulder in front of him that only allowed one to pass through, and said, "If you only use one, maybe you won't be able to blow up this stone at all, so it's better to blow up two of them together." ”

After blasting the big rock, the road behind was much smoother, and I walked ten meters forward without any major trouble.

After walking about thirteen meters, they finally met the first person from the Wadden family who was stoned to death, and Xiong Yu found five grenade bullets from him.

Xiong Yu's frowning brows relaxed a little, and said: "If I guessed correctly, the people of the Wadden family, each person should be equipped with six grenade bullets normally, and after going to the island, except for a few grenade bullets when he encountered the Huahong Viper, nothing else was used, so these people from the Waden family who were stoned to death should have four or five left on each person." ”

Sun Lan didn't refute Xiong Yu's words this time, which was similar to what she guessed.

They continued to clean the stones in the cave, and continued to search, starting from the first person of the Wadden family who was stoned to death, the corpses behind slowly increased, and when they walked about twenty meters forward, Xiong Yu had collected seventy-four grenade bullets, plus the five remaining before, a total of seventy-nine grenade bullets.

Xiong Yu calculated the number of grenade bullets and shook his head, it was still not enough, they were five hundred meters away from the location of the dark river, and it was a straight line distance, and they all needed to be blown out with bombs.

Xiong Yu continued to look forward, and after fifteen meters of search, he found another fifty-one bombs.

Xiong Yu stopped, gasped a few times, and said, "It's almost, if you go further, you may not be able to find much." ”

Sun Lan said: "If it is a distance of 500 meters in a straight line, a bomb can explode a distance of about two meters, and we need more than 200 bombs to get to the side of the dark river." ”

Xiong Yu shook his head and said, "We don't have to blow it all the way back, according to the topographic map I just drawn, we can first walk a distance of four hundred meters east along the cave that collapsed earlier, and then use the bomb to blow up a passage, in this way, we can save a lot of grenade shells." ”

Sun Lan thought for a moment about the map Xiong Yu had drawn earlier, nodded as well, and said: "Walking in the cave, the number of grenade bullets consumed will be much less, if your calculation is correct, then the number of grenade bullets we have now is indeed about the same." ”

Xiong Yu and Sun Lan took all the grenade bombs they had searched for with them, returned to the granite depression, called out Wang Yunxiu and Leng Bingyan, and asked them to follow.

Moreover, Sun Lan also unlocked the acupuncture points on Leng Bingyan's legs and hands, allowing her to recover her ability to walk, but did not unlock the acupuncture points on the meridians that sealed the internal strength.

According to his own calculations, Xiong Yu began to work with Sun Lan to bounce his hands and grenades in the cave.

I don't know how long it took, Xiong Yu and Sun Lan finally got through the 400-meter distance in the cave, and Wang Yunxiu and Leng Bingyan were always following behind.

Xiong Yu and Sun Lan's physical strength was exhausted, and after walking the four hundred meters in the cave, they drank some water and ate some food, and then began the last hundred meters of the journey.

The last 100 meters are real stone walls, and you need to use grenades to blast out a passage little by little!

When they marched 400 meters into the cave, they lit a total of more than 30 grenade shells, but in the process of marching, they also found seven or eight people from the Wadden family who had been stoned to death, and collected about 40 grenade bullets, so now they still have more than 100 grenade bullets on them.

Xiong Yu did not hesitate, and after a short break, he directly began to use grenade bombs to start opening the way on the stone wall.

However, after about two hours, Xiong Yu stopped, he had used about sixty grenade bombs, and he had blown up a cave of more than 100 meters on the stone wall, but he did not find the dark river!

According to the previous calculation, the Dark River should be five hundred meters away from them, however, now that the distance has been reached, there is no Dark River, and there are still thick stone walls in front of it.

Sun Lan asked suspiciously, "What's wrong?" ”

Xiong Yu frowned and said lightly: "I seem to have made something wrong?" ”

Sun Lan hurriedly asked, "What's wrong?" ”

Xiong Yu thought for a while and said: "I calculated the distance in a straight line, the cave is curved, and it is not straight for us to blow up the stone cave, so the dark river should still be ahead." ”

Sun Lan hurriedly said: "Then continue to blow up, we still have eighty grenade bombs." ”

Xiong Yu said with some concern: "If the bombs are all used up, we can't reach the dark river, then it will be troublesome." ”

Sun Lan was also silent, now that the food and water had basically been consumed, if there was really no grenade bomb and no dark river could be found, it would be really troublesome.

Xiong Yu narrowed his eyes and said, "Let's blow it up first, I estimate that it can be blown up, and the distance of the cave should not exceed two hundred meters, and we can blow it up." ”

After Xiong Yu finished speaking, he continued to plant the bomb, and then carefully detonated it.

This time, it took about three hours, and when there were only seven bombs left, they finally found the dark river in the mountain from the mountain!

Xiong Yu saw the vast underground river and breathed a deep sigh of relief.

Sun Lan shouted excitedly: "It's finally blown up!" ”

Xiong Yu said to himself: "Fortunately, when I first came, I brought mice and gold threads, otherwise, I would really be trapped here." ”

Sun Lan took a deep breath, calmed himself down, and asked, "How do you swim out of this dark river?" ”

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