So prevalently there are wild talents, but you do have actual masters of the Invisible Art also? Who is the “Elminster” of Psionics in your world? 1)
Yes, there are beings mighty in psionics (many of other races than human), but by the very nature of psionics, it’s hard to measure one against another except when (often fatal, almost always mentally damaging) combat occurs, …#Realmslore

— Ed Greenwood (@TheEdVerse) March 28, 2021

2)
…so there are no uniforms or titles for mastery. (We have always left relative character mental strengths to the DM, for story purposes.)
As for an “Elminster” of psionics, the following deities have at various times had mortal… 3)
…envoys (though these were seldom styled “Chosen”): Auppenser, Deneir, Ilsensine, and Sseth.#Realmslore

— Ed Greenwood (@TheEdVerse) March 28, 2021