"There are no cultivation techniques for domains."
"I can only rely on my own comprehension."
Although he had the Five Elements Perfection and five domains, he did not deliberately comprehend and comprehend them. In other words, he had the qualifications and capital but did not excavate and nurture them.
He was like a heaven-defying monster who had monstrous talent but did not cultivate seriously.
In this case, no matter how good one's talent was, it would be useless.
With qualifications and talent, coupled with hard work and opportunities, one could become an expert.
It could be said that a domain was a gift from the heavens. Whether or not one could control and become powerful depended on one's own luck.