The power of bloodline and blood energy from the Everlasting Blood Refining Art was impossible to move elsewhere as it could only exist within the blood and wherever it flowed.
If it left the body for too long, it would die.
On the other hand, the aura power of the Heavenly Formless Dragon Art was intangible and could be moved anywhere. The heart and blood vessels were where it was created but not necessarily where it needed to be stored.
As long as the aura power was still within Vaan's body, logically, its potency shouldn't decline and dissipate.
It didn't take much time for Vaan to come up with two possible solutions.
The first solution was to merge the Heavenly Formless Dragon Art and Everlasting Blood Refining Art, thereby transforming the two competing powers into one.
Once they became the same source of power, they would naturally no longer wrestle for blood energy and space.
However, this solution came with two main challenges.