Unlike external soul bones, the enhancement of the six major soul bone parts more directly improves physical fitness.
Based on the rapid growth trend of the soul bones, Quan Yi felt that diving to a depth of 30,000 meters with just his physical body was no longer a distant goal.
The transparent dragon horn burst out with a blazing white light, and its suction reached the highest level of its current stage.
Dense dragon force and Yuan power, under the attraction of the dragon horn, poured into his body in large quantities.
The fully grown Yan Dragon right arm bone was still continuously evolving, but its evolution direction changed from volume increase to quality increase.
While pondering, Quan Yi once again dived about a thousand meters deeper.
Each additional thousand meters put a pressure of millions of kilograms on Quan Yi.
When he reached a depth of 16,000 meters, Quan Yi's body finally began to feel a strong obstruction, and his body's endurance was also on the verge of reaching its limit.
Quan Yi immediately stopped at this position and began to concentrate on absorbing the energy of the Yang Spring.
At this position, which was close to half the depth, the concentration of dragon force far exceeded the concentration on the surface of the spring water.
The left arm bone and the right arm bone gradually underwent magical changes under the scouring of the massive dragon force.
Quantitative change led to qualitative change.
After the dragon force integrated into the soul bones accumulated to a certain extent, a trace of true dragon bloodline was born.
Although it was only an extremely weak strand of tiny bloodline, its birth indicated that everything would undergo fundamental changes.
This meant that these two soul bones were no longer purely turtle or leopard bloodlines, but rather dragon-like beings fused with the dragon bloodline.
This fundamental change in bloodline caused the two soul bones, which had undergone very slight changes, to suddenly burst out with powerful suction.
The dragon force that could only be integrated and fused was now directly absorbed and transformed by that trace of dragon bloodline, becoming nourishment for the growth of the bloodline.
At the same time, the old turtle in the sea of consciousness saw an opportunity in the changes of the left arm bone.
"Legend has it that the dragon has nine sons, and the sixth son is named Baxia, or Bixi, also known as the Dragon Turtle.
Its appearance resembles a giant turtle, good at carrying heavy objects, with immense strength, and is a child born from a dragon and a turtle.
Today, my bloodline may also evolve in this direction."
The old turtle couldn't help but feel restless. It flowed from the sea of consciousness into Quan Yi's left arm, and its spiritual body plunged into the evolving soul bone, using its powerful mental power to help Quan Yi accelerate the digestion of the dragon force.
Quan Yi did not stop the old turtle. Under its control, without it saying anything, Quan Yi could vaguely guess its plan.
The old turtle's entry gave the passively evolving soul bone autonomy.
The first step after it entered was to control the bloodline in the body, so that the original Golden Jade Furnace Flame Turtle bloodline and the newly born dragon bloodline could merge together in a more stable and harmonious way.
Although the bloodline of this soul bone is leopard, the fusion may not necessarily be worse than them.
Dragon-leopard bloodline, compared to pure dragon bloodline, sounds more interesting."
Quan Yi controlled the inflow speed of the dragon force, keeping the concentration of the two bloodlines at a certain level.
The leopard's roar and the dragon's roar echoed in Quan Yi's mind, but at first, the two sounds were separate.
And the leopard's sound was loud and the dragon's sound was small, but slowly, the two sounds gradually became equal, and the two separate sounds gradually merged into one sound.
Sound?
A flash of light suddenly flashed in Quan Yi's mind.
He suddenly remembered the forging method and body training method using vibration perception.
"Everything has its preferred vibration, and vibrations of specific frequencies can resonate with everything.
If the soul bone is regarded as a forging material, it must also have a unique resonance frequency.
All along, only the external soul bone has participated in the Dragon Scale Vibration Body tempering. Now that the soul bones are completely fused, they should also be able to be tempered through vibration."
Quan Yi turned his attention to the left leg bone, and its thunder tempering was also nearing its end.
As expected of a 200,000-year-level soul bone, even with densely deployed thunder patterns, it was still much harder to chew than a 20,000-year-old one.
However, under the continuous scouring of thunder, it finally succumbed.
"Roar!"
A dragon roar even louder than the Flame Dragon right arm bone rang from the left leg.
This sound contained some kind of peculiar vibration force, causing subtle vibrations in the deep water as thick as iron.
"It's time for me to appear!"
The Flame Dragon King had long been eager to try, waiting only for the soul bone to lift its restrictions.
It rushed into the left leg along the body and began to control the bloodline power of the soul bone, frantically absorbing the dragon force in the spring water.
The Flame Dragon King, who possessed the true dragon bloodline, absorbed dragon force more rapidly than the other three soul bones.
If the Crimson Dragon Horn itself did not have the skill of absorbing energy, the external soul bone would not be comparable to the Sea Hyena Flame Dragon King at the same level.
Under the Flame Dragon King's absorption, the purity of the left leg bone's bloodline was constantly improving.
Incidentally, its stagnant soul bone age also began to steadily increase.
At this point, the four soul bones had achieved complete fusion.
"Now that they are all fused, then I have no more concerns."
External soul bone, complete possession!
Quan Yi's body was instantly completely covered by densely packed vermilion dragon scales.
In the fully possessed state, Quan Yi naturally entered the dragon transformation state.
However, this time, the dragon transformation of the external soul bone produced a chain reaction, and the external dragon scales produced a magical connection with the four soul bones inside Quan Yi.
The energy of the five actually showed a trend of fusion.
Although he wanted to continue to observe the reaction, it might hinder the progress of evolution.
So, he temporarily disconnected the energy connection.
After dragon transformation, the dragon scales would also accelerate the absorption of energy, and the suction of the Crimson Dragon Horn would also reach its true limit state.
But even so, Quan Yi's suction still seemed a bit stretched when facing the four hungry soul bones.
If it were the previous Quan Yi, he might have activated his Martial Soul True Body to further strengthen his suction.
But now, he thought of a more effective way.
Quan Yi's mental power slowly concentrated on the Crimson Dragon Horn on his head.
At first, the smooth energy flow of the Crimson Dragon Horn began to become intermittent, and the blazing white light also flickered, but soon, under Quan Yi's control, the energy trajectory that flowed in a simple straight line became complex.
