Arcturus knew that things like Divine Water were exceedingly rare within the Cosmos, but it was not easy for them to be born.
A temporary increasement of Comprehension abilities was by no means anything short of a miracle, and from what Arcutrus knew, similar effects were mostly created by various drugs that had special effects on the brain.
Though side effects of such things were very severe, often leading to addictions, crippling injuries, and something like that. Taking such drugs was especially dangerous and more than often, rather self-harming.
His master repeatedly told him never to take such things because they sometimes have very miraculous effects on the person's brain, which increase his learning and comprehension capabilities to the maximum for some time.
