Of course, it's just theoretical; in reality, it requires support from realms, comprehension, opportunities, and various other aspects.
He relied on the 'Heart Realm Source' to get started, and then prepaid for the Perfection of the first stage, which is the pinnacle of the Universe's limit.
Further beyond, he must enter the Time River and witness the reality of space-time to continue cultivating this secret technique.
This is a necessary condition.
Otherwise, even with the will of cultivation and the secret technique, there's no way to prepay.
"Both possibilities are slim... what to do?"
Lin Qing pondered for a long time, "Never mind, I'll thoroughly explore the whole Survival World first; maybe there will be some discovery?"
He glanced at the ultimate Holy Island deep within the mist and immediately piloted the Abyss to leave.
Before having enough strength, he wouldn't return.
Going back would only mean death.
