Teachers, with a capitalised 'T', have become ubiquitous with the dissemination of magic and cultivation arts. Historically, Teachers are relatively new entrants into the wild world of cultivation, breaching into prominence within the last ten thousand years give or take five thousand.
The standard logic for a very long time was to hoard knowledge. To grow stronger in isolation, achieve advancements in cultivation, and go against the Heavens and all that. However, one fine day, a certain mage had a bright idea. She figured, 'Why should we hoard all of this knowledge when we could use it to help everyone?'
No one really remembers the identity of such a revolutionary thinker, because the moment she voiced her proposition out loud, she was summarily annihilated.
