Su Ming did not drink Felix Felicis often, because its effects were simply too intangible and unpredictable.
It was difficult to brew and difficult to store. If Snape had not owed him a huge favor, he probably would not have been able to get even this small vial.
After drinking it, he felt like it might be useful, but that was only a feeling. Luck was something that could neither be seen nor touched. He could not exactly go find a blind fortune-teller and ask whether his luck had changed, could he?
The Magic World also had its own specialties. Though they were all Mages, the members of the Council of the Sky would practically be starting from scratch if they wanted to study Potions from the Harry Potter World. Brewing a potion on the level of Felix Felicis was no different from asking them to make a Philosopher's Stone.
There was definitely no hope of that in the short term.
The current Council of the Sky was more like another extension of Kamar-Taj. Whenever students graduated from the mountain and earned their Great Mage qualifications, Su Ming would bring them to Sepulk to receive further instruction from the Council of the Sky's members.
There were plenty of courses, such as the differences between magic in different universes, the nature of multiversal energy, how to kill people more efficiently and over a wider area, and so on. These were essentially graduate-level courses.
In a sense, it also raised the magical standards of 40K Earth. In the past, once someone reached the level of Great Mage, their path forward was more or less cut off.
That was because the previous "success stories" all involved a Great Mage finding an uninhabited dimension, occupying it, and becoming a Dimensional Demon God.
They would