Of course, dark energy was something extraordinary to others. After all, in the Milky Way, only Black-level Honorary Aristocrats were able to cultivate it. It was not that it was a rare ability. After all, the manuals were sold by the Galaxy Aristocrats. The key problem was that learning this skill required a certain amount of Strength, Agility, and Reflexes.
All three attributes had to be over 500. If you could not attain this prerequisite, no matter how much of a genius you were, you could not cultivate dark energy—mainly because without that amount of attributes, you could not even sense the presence of dark energy.
This was similar to mathematics. If you did not even know addition, subtraction, multiplication, and division, how could you learn formulas and equations?