Hearing the white-haired old man say this, Ning Xi grasped a key.

"Does the old man mean that you can't advance to the Heavenly Rank here?"

The white-haired old man found that Ning Xi was too smart, and he basically understood it at all.

"Yes, if the earth-level mystic master wants to upgrade to the heaven-level mystic, there will be a thunder tribulation, but there are two layers of isolation light shields laid by the turtle overlord here, and the thunder tribulation cannot be lowered, so even if you feel the bottleneck of the heavenly level, you can't upgrade."

If he could upgrade, he sensed the bottleneck of the Heavenly Rank more than ten years ago.

"No wonder there are so many people at the peak of the Earth Rank here, but none of them can advance to the Heaven Rank." Ning Xi sighed.

"Yes! After all these years of observation and research by the old man, as long as anyone can advance to the Heavenly Rank, they should be able to break the light shield of the Turtle Overlord, but unfortunately no one can do it. The white-haired old man sighed deeply.

"Isn't it okay to be a heavenly war beast?" Ning Xi asked.

The white-haired old man shook his head: "There was once a Tianjiao who was at the peak of the earth level was inadvertently passed in, he couldn't stand being trapped here, and there happened to be a heavenly war beast on his body, and then he tried to break through." ”

"But in the end, even the humans and war beasts were destroyed and fell by the power of the light mask prohibition."

"The light shield here isolates all the mystical power, soul power, and spiritual consciousness of our human race, and the things that contain spirit jade and energy stones can't pass through that light shield, in order to imprison us here forever as nourishment." Who would want to stay in this hellish place if they could get out, but they tried many ways and failed.

Ning Xi pondered for a moment, his fingertips touched the diamond-shaped stone, and suddenly had an idea, "Old man, does this diamond-shaped stone have any other uses besides cultivation?" ”

"It can also be used to set up formations." The old man said: "There was once a formation master who was passed in when he was bored and took a stone to study, and then activated the formation that was laid out. ”

"Where's that array mage?" Ning Xi suddenly became interested.

The old man replied: "He is from another family, and he rarely appears. ”

"Can the old man introduce me to the formation mage?" Ning Xi asked with a smile.

"No problem." The old man nodded.

Now that Ning Xi's strength is the strongest here, who will really offend him on the surface, unless he wants to be beaten.

This kid's temper is really hot enough.

"Can this thing be used to drive war beasts?" Ning Xi asked casually.

The old man shook his head: "Before, a war beast master tried to use this stone instead of spirit jade to refine a spiritual power source to activate a war beast, but it failed. ”

Ning Xi frowned slightly, and said to himself: "Can you activate the formation, but can't you activate the war beast?" ”

"Does the color of these stones represent the level of energy?" Ning Xi thought about it and asked again.

The white-haired old man smiled and said, "Xiaoyou is really smart, the lighter the color of the diamond-shaped stone, the energy contained in it will be much lower than that of the darker one." ”

"By the way, we are here in the realm laid by the Turtle Overlord, this stone is also very special, every month we must absorb and refine to keep that special power running in the body, otherwise the loss of blood qi and life force will be much faster than others, and the cultivation will also fall." After thinking about it, the old man still reminded him.

Don't go wrong then, this kid will be in trouble when he comes to the door.

Ning Xi rubbed the stone in his hand, his expression was indistinguishable, "I see, thank you for telling me today." ”

"Xiaoyou, don't be polite, you and the Seventh Prince are sworn brothers, and naturally they are also my Jane's distinguished guests, if you have anything to ask in the future, you can also come over." The white-haired old man smiled kindly.

"Okay, trouble!

Ning Xi sat for a while and then left the cave with Long Zeyu and the others.