Li Xiaojun felt a little regretful after hearing what his daughter said.
If he could find the location of the demon race's high-quality immortal stone mines, he could go and mine them himself.
He used the system space in conjunction with his spatial laws, and the mining speed was extremely fast.
The last time he was in the secret realm of Mount Xumi, it only took him a few years to dig up the entire vein and obtained tens of billions of high-quality immortal stones.
According to the energy required for his system upgrade, he still needs 10 trillion high-quality immortal stones, which means he has to dig up almost a thousand high-quality immortal stone veins.
Of course, if you have top-grade immortal stones, it would only cost tens of billions.
However, according to what he knew, there were no top-grade immortal stone mines in the entire Milky Way.
Perhaps, there are top-grade immortal stone veins on the black hole, but the black hole is too dangerous. Even the cultivators in the Golden Immortal Realm cannot go within the event horizon of the black hole, otherwise they will be torn apart by the powerful gravity of the black hole.
"Dad, although I don't know where the demon clan's high-quality immortal stone mine is, I roughly know its location." Tushan Yueyue said to Li Xiaojun.
"Where?" Li Xiaojun asked in surprise.
"It should be near the Black Star."
"Black Star?"
“Yes!” Tushan Yueyue nodded: “Black stars are planets that can absorb light. They are formed by the collapse of massive stars. Black stars are very dangerous. Generally, immortals who have not reached the true immortal realm dare not approach black stars.”
Tu Shan Yueyue said to Li Xiaojun: "Generally speaking, there are 100% Xianyuan Stone veins near black stars, because black stars will attract matter and immortal spirit energy, and then compress and eject it. Therefore, Xianyuan Stone veins can be found in the direction where the black star ejects matter, and the lowest ones are medium-level Xianyuan Stone veins."
"If the black star is larger, the probability of finding a high-quality Immortal Yuan Stone vein will be much greater."
After hearing Tushan Yueyue's words, Li Xiaojun thought about it.
He felt that the black star that Tushan Yueyue mentioned should be a stellar-mass black hole.
A black hole is a planet that absorbs surrounding matter, forms a jet, and then ejects the matter out.
It’s just that the mass of this “planet” is large enough to absorb light, so a black hole is formed.
Therefore, a black hole is not a hole, it is a "planet" with extremely large mass.
For small black holes, more matter is ejected than absorbed, a situation described by Hawking radiation.
Therefore, small black holes will disappear faster than large black holes.
Black hole is what people on Earth call it. In the fairy world, whether it is the demon race or the human race, they call the black hole a black star because it is really a planet.
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