It was very, very simple to light up the holy flame.
That was to capture the eight-star Regulation, turn it into a spark, and then ignite the four pinnacle pillars. After they were burnt to nothing, the holy flame would no longer be extinguished.
However, a Venerate could only channel Seven Star Regulations. If he didn't become a Saint, how would he be able to capture the Eight Star Regulations?
Thus, only a very limited number of prodigies could ignite the holy flame with their own power. As for others, they could only rely on the power of belief to transform this power into the eight-star Regulation and ignite the holy flame.
Using one's own power to ignite the holy flame was naturally much stronger, because the holy flame had been ignited with genuine eight-star Regulations.
However, Ling Han's situation was different.