(2)Section 10: Unforeseen circumstances arise, and refining Gu is extremely difficult.

Moonlight Gu is like a curved crescent moon. Bronze-colored true energy is injected into the crescent moon. First, the two tips of the crescent moon are dyed green.

Then this bronze green color began to spread to the middle of the crescent moon.

In less than three minutes, Fang Yuan's face showed a hint of paleness. A large amount of true energy continued to pour into the Moonlight Gu, causing a feeling of weakness that was causing menstrual cramps and marrow-breaking attacks to hit his heart continuously.

One point, two points, three points...all directions, nine points, one percent.

Ten minutes later, Fang Yuan Yuan Hai had consumed a full 10% of his true energy. However, on the surface of the blue crystal-like Moonlight Gu, the two dots of bronze-green at the tip of the crescent moon only expanded a little to the middle.

Moonlight Gu's resistance is very tenacious.

Fortunately, Fang Yuan had expected this and was not surprised, so he insisted on instilling true energy into the moonlight Gu.

One percent, two percent, three percent.

After another twenty minutes, only 14% of the Yuan Hai in Fang Yuan's body was left. The bronze green on the Moonlight Gu expanded a little. If the two pieces of green were superimposed, they would account for about 12% of the entire surface of the Moonlight Gu. one.

As for the rest, it is still the light blue color of Moonlight Gu itself.

"Refining Gu is difficult." Seeing this scene, Fang Yuan sighed secretly, cut off the supply of true energy, and stopped refining the moonlight Gu.

Up to this moment, after refining Gu for half an hour, more than half of the Kongqiao Yuanhai has been consumed, leaving only 14% of the real energy remaining. And Moonlight Gu has only been refined one-twelfth of the way.

Moreover, what is even more unacceptable is that the moonlight Gu still exudes a faint blue halo. Although Fang Yuan stopped refining, it did not stop resisting and was still expelling Fang Yuan's bronze essence.

Fang Yuan could clearly feel that the true energy that had merged into the Moonlight Gu was being expelled bit by bit by the Moonlight Gu and dissipated outside the body. On the surface of the moonlight Gu, the bronze green at the tips of the two crescent moons is also slowly shrinking.

Based on this decreasing rate, the Moonlight Gu will be able to expel all of Fang Yuan's true energy in about six hours. At that time, refining this Gu insect will be the same as refining it again.

"Every time I refine Gu, it's like a battle between two armies, a positional battle, a war of attrition. The Gu insect only refines one-twelfth, but my true energy consumes a full 30%. The Gu master must refine Gu while Replenish the true energy of the Yuanhai while continuing to perform sacrifices to consolidate the results of victory. Refining Gu tests not only the skill of mobilizing the true energy, but also the patience of a protracted battle."

Fang Yuan was thinking as he took out a primeval stone from his money bag.

When a Gu Master wants to replenish the consumed real energy, there are usually two methods.

One is natural recovery. Every time a period of time passes, Yuan Hai will automatically replenish his true energy. With Fang Yuan's level C qualification, it takes about an hour to replenish four points of true energy. In six hours, 24% of the total amount of true energy can be restored.

The second method is to absorb the natural energy from the Yuan Stone.

The Yuan Stone is a treasure of nature, which condenses the natural essence and can be absorbed by the Gu Master.

Fang Yuan holds the Essence Stone in his hand, and continuously absorbs the natural essence from it, and merges it into his own Kong Aperture Essence Sea.

The delicate brilliance on the surface of the Yuan Stone slowly dimmed, but the level of Fang Yuan's Yuanhai Sea continued to rise at a speed visible to the naked eye.