He bore witness to how a misguided invention could destroy an empire.
The recent lesson was that Nesserel's Divine Ascension Spells led to the death of a generation's Magic Goddess, the brief collapse of the Magic Network, and the thorough downfall of the Nesserel Empire.
After that event, the King of Knowledge greatly assisted the second Magic Goddess in remaking the Magic Network - its capability for knowledge inheritance did not fall under the purview of the Magic Goddess' divine role, but rather belonged to the powers of the deity before him.
The spread of high-level magic knowledge was not easy, and it was also tacitly permitted by him.
On one hand, widespread access to high-level magic knowledge could pose a severe threat to the stability of the entire world.
On the other, knowledge that was too easily obtained would not be cherished.