The primordial spirit inherently possessed the ability to traverse vast distances in the blink of an eye. With a mere thought, it could whisk itself away thousands of miles. Therefore, theoretically speaking, the upper limit of the speed that the Essence Soul could endure should be quite high.
However, at this moment, Song Shuhang's primordial spirit had forcefully reached the limit of its endurance. The immense pressure made his primordial spirit feel as though it were on the verge of shattering.
Even more crucially, he couldn't find the "seatbelt" that White had mentioned earlier—racing without a seatbelt meant having no sense of security at all.
"Where's the seatbelt? Senior White, where's the seatbelt?" Song Shuhang's primordial spirit began to tremble, and simultaneously, this reaction was perfectly mirrored in his physical body.