He fused the core with the shell of his origin core, the two circular objects superimposed and then fused. As soon as the world core fused with his Origin core it began to light up. Gehald expected this to happen, he knew that when the world core is possessed by a soul it would try to create a new world and a body for it, so Gehald brought out tonnes of mid-grade origin cores. He had made a lot of preparation so he wouldn't be caught off guard.
The world core started to create a whirlpool of energy around it. It was trying to suck in energy to create a new body, the quality of energy it absorbed will determine the structural integrity of the inner world and the strength of the body.
While the amount of energy will determine the size of both the inner world and the body. The quality of the energy also affects the density of its body to a large extent, which will determine its physical and magical defense.
Gehald chose to use Origin energy to recreate his body. He was aiming for a body with the strength of a titan of law with origin passages connected to the body. The choice of which center of power to connect with the origin core will determine which one will be focused on and which one will fuse with the seed of power.
For example, those that chose to connect the body with the origin core will have immensely strong bodies but will have relatively weak souls. Those that connected their soul with the origin core will have very powerful souls with weaker bodies. Each choice has its disadvantages and advantages.
He could make the body stronger by using the remaining half of the Origin essence to turn the body into an Origin body, but he wanted to wait until he could produce Origin essence on his own. His current body might be perfect but it is only a shell, if he turned it into an origin body it would affect his plans. He also required the remaining Origin essence. His aim all along isn't to become an origin god, it is to eventually reincarnate.
From the information he got about reincarnation, only origin gods can have enough power to send their souls through reincarnation and keep it intact. It is just that origin gods can't reincarnate because their body is forever connected with their soul, and a soul with a body cannot reincarnate. That's why he needed to suffer the pain of separating his body and soul, it was unavoidable.
Right now, the body that is being created will just be a temporary vessel, it does not have a permanent body-soul-origin connection, the trinity of existence. He would only have to wait for its full construction before he moves on with his plan.
The body construction took a short two days for it to complete its first stage. He needed void energy to complete the construction of the body and he could only get that in space. He collected all the things around that he still wanted into his personal dimension, then he tore a huge hole into the fabric of space that led to the void.
This is something he could never achieve as a sovereign but he easily achieved it with just his mind as an origin god. The hole he tore started to suck in the surrounding matter and energy because it was too big. He needed a tear large enough for his whale-sized body to enter.
The body is just a framework made of laws so he couldn't move it yet. He moved his mind a bit and his body floated into the hole. He closed the hole behind, leaving behind the wreckage where his house used to be. He was also leaving behind his identity as Gehald the high elf sovereign.
On the other side of the hole was the cold, dark void of the universe. His body started absorbing void energy to complete his body the moment he appeared in the void. The whirlpool of power died down after a few minutes and his body was completed. Gehald tried to move his new body and he gasped. He could feel a terrifying power from within his body. The power he felt coming from just the physical strength of his body was more than 100 times his former body.
"And it isn't an origin body yet. How powerful will it be after it becomes an origin body?" He muttered wistfully.
His body made him happy but he isn't content with it yet. The shape of his body was like that of a giant whale, except its current size will dwarf a giant whale.
"Wow, I think I am half as big as a small plane" he whistled.
"There is no way a plane can accommodate this body" his body had bludgeoned in size after it was completed. It had gone from just the skeletal framework of laws to a body of flesh and blood, this had made it increase in size more than a million times.
"I have to hide now or else someone might come to hunt me. Too bad I can't transform my body yet." He had become a world beast, and people hunt world beast.
They are rare but can still be found. He wouldn't be able to transform his body into a humanoid shape until it became an Origin body. That's the way void beasts are, normal creatures will be able to transform when they reach the transcendent stage.
He took advantage of his extremely powerful soul and his grasp on life laws to mask his vitality and life aura so he could hide better. Then he used the power of space through the world core to hide his body, he might not be as proficient at it as other world beasts but he had an origin soul, so he could do far more than any sovereign world beast.
With his body hidden within the folds of space and his life aura masked it will be difficult for even an origin god to find him from a large distance. The hunt on world beast for their core is the major reason why they hardly reach adulthood.