He had completed the Concept of Death, the Concept of Life, as well as those of Time and Space.
Although he didn't have a bloodline directly tied to the Abyss, his affinity with void energy was already complete, which meant he possessed a perfect, inherent concept of void energy as well.
Normally, all of this would already be more than enough to attempt ascension. But he understood that doing so now would only bring him up to roughly the same level as that Supreme, and that wasn't what he wanted.
Eliminating the Supreme was one thing, but getting rid of the threat posed by the Abyss was another.
He needed to make sure that, this time, everything ended once and for all. And to do that, he needed to get his hands on all five fundamental concepts that governed this universe, concepts he already possessed, having already reached 100% affinity with each of them.
