In simple words, Singularity also meant to become a player, without actually being one; but what if one was already a player?
What then?
What use is the supposedly oh-so-amazing authority, the Singularity?
[Singularity (common): MAX (+20)]
Their [MAX] limit would be increased by 20 levels; which also meant that they were stronger than non player characters by a whole another rank, in comparison.
Yet,
Consequently, they are rendered incapable of cultivating more than 12 Grids, while an NPC could cultivate 36 Grids at most—any more than that, they'd overload their souls with energy, causing them to burst.
Grids were the optimum form of energy—in other words, Grids were equal to Divinity. The more Grids on cultivated, the more Divinity they could wield; since Grids were originally a part of the world, Miorus, cultivating and refining it with one own unique mana signature was crucial.