Indeed, 'hax' techniques were truly unfair. Despite not having even cultivated it yet, nor the ability to cultivate it at present, the mode of transmission the Six Paths Demon Sect used was akin to a master directly passing it down to his chosen inheritor before death, which was very exhaustive and made comprehension easier.
Because of that, Li Ling could see the parts of the technique that were not necessary to list in its features on the store page but were still relevant to the practitioner who chose it. He had already been largely aware that the list of pros for this technique was long and moving, but he realized that he had underestimated what was left unsaid.
Grandmist, Hunyuan, Primordial Chaos, True Chaos, Origin Energy, Origin Qi, etc.
