Yang De continued, "The reason we've found no fluids associated with higher-level Talents might be because the powers of advanced Talents are difficult to extract. However, up to now, we haven't discovered any devices within the relics that the human civilization might have used to create such fluids."
People's cognition is often limited to their worldviews.
Modern humans take it for granted that the Earth is a sphere, while to the ancients a few hundred years ago, it was self-evident that the Earth was flat.
Some things, seen as commonplace to those who have not crossed a certain threshold, might be unimaginable no matter what.
This is the case with the Talent Sequences Secret Medicine. To He Ao, it was naturally known in the Copy World that one could advance by consuming secret medicine corresponding to the higher-level sequences, which were concocted from different Transcendent materials.
This is common sense.
