In order to transcend the third mortal coil, he must first fill up all of his life seed with energy. The next thing he has to do is make sure that he has mastered the host technique to 100%.
The host technique is not only useful for transforming potential into power, but it is also important for determining the chances of success because mastery of the host techniques influenced just how well the numerous life seeds within him work together.
The process of advancing to the fourth mortal coil is very easy. One just needs to fuse their life seeds into one large organ called the golden core.
The minimum amount of life seeds needed for the golden core to form is 100 life seeds. But one can form a higher-quality golden core by creating it with more life seeds.
The most important factor that determines the number of life seeds that can be fused is the mastery of the host technique, not the level of transformation of the host technique.
In his case, if he tries to form his golden core now, only 512 life seeds will combine and fuse to form it. The remaining 512 life seeds will go to waste because he can't control them to work together with the rest.
If this were to happen, the extra 512 life seeds will be lost forever. It will mean that the risk he took to advance to the tenth transformation of the third mortal coil was a waste of his time and effort.
So if he wants to make sure that every single one of the life seeds he created will form the golden core, he must master the host technique to 100%.
Not only will this make him a more powerful golden core cultivator with more potential, but it will also increase his chances of successfully forming his golden core because the more energy he has to form the core, the easier it will be to form the core.
The third step that he has to meet in order to advance to the third mortal coil is energy. He will require a lot of internal and external energy in order to form his core, or the process will fail.
The process of forming the core will be as dangerous as the process of transforming his foundation because, in both cases, his life seeds will go offline and be unavailable to support his life.
During that process, his life seeds will consume their internal energy completely and will still need more energy. This is why he will need a lot of external energy.
He will also need life-preserving items to keep himself alive during the process of advancing to the fourth mortal coil. But it will be the availability of external energy, or energy from the environment, that will determine the success of the process.
This requirement is not a problem for him to meet at all. But it is an insurmountable obstacle for loose cultivators and cultivators from families.
If this requirement for external energy isn't met, it won't matter if they have a perfect foundation and have mastered the host technique to 100%. They will still fail to advance to the fourth mortal coil.
In fact, the chances of anyone with a perfect foundation and 100% mastery of host technique successfully advancing to the fourth mortal coil without ample external energy will be less than 10% because their internal energy will leak into the surroundings during the process.
External energy isn't just for supplying life seeds with energy so that they can continue fusing and transforming after they run out of internal energy, but it is also to produce a high-pressure environment that pushes the life seeds together and helps them fuse.
Without that high-pressure environment, the pressure of the life seeds will be higher than the environment, so the internal energy within the life seeds will flow into the surroundings, just like water flows from high ground to low ground.
So in a sect, someone with a foundation at the seventh transformation can still advance to the fourth mortal coil, but anyone who tries to advance to the fourth mortal coil outside of sects will fail.
Of course, there are some things that can be done to simulate the high-pressure environment that is needed to advance.
He can think of some of these methods that involve using fourth-grade energy-gathering formations and a lot of high-grade energy stones to create an environment similar to that in a rank 4 secret realm.
He can think of this, so the people outside of sects can also think of it too. But that doesn't mean they can execute this kind of arrangement.
Even if they can simulate the environmental conditions of rank 4 secret realms, the process of doing so and breaking through within it cannot be as easy as that of a sect disciple breaking through to the fourth mortal coil.
The need to simulate the right environment for breakthroughs increases the difficulty and cost of breaking through by up to ten times. This is one of the reasons why families can never match sects in terms of power.
For most cultivators at the peak of the third mortal, these four requirements—having 100 life seeds, possessing a 100% mastery of the host technique, possessing life-preserving items, and having access to a high-mana environment—are all they will need in order to transcend.
But for him, there is still one more requirement he needs to fulfill in order to transcend. That requirement is to master the Life and Death Lightning Art.
The Life and Death Lightning Art determines the harmony of the wood and lightning element within his life seeds. He has to make sure that the two elements are in total harmony, or he might fail the process of advancing to the fourth mortal coil.
Just thinking of this made him sigh and say, "Not only do I have to master two host techniques, but I also have to master a third harmony art. It has not been easy for me."
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