It took him an entire day to construct the array. He was meticulous and extra careful so as to construct a functioning array instead of an expensive high-class bomb. When he was done, he rose into the air to admire his work. His array was a circular and intricate thing of beauty about 50m in diameter.
It resembled the teleportation platform outside planar gates but cannot compare to it in terms of complexity. The function of the array is to teleport his Origin soul fragment across space into the wombs of pregnant females.
He had chosen the stage at which the fetus does not have a soul. He selected this over the bodies of recently dead people because of several reasons. The body and bloodline will be fully formed by then. His aim for reincarnation is to gain the bloodline and the divine ability of the races he has chosen, but he prefers a fresh start so that he can easily perfect it during the growth stage.
