@JeremyECrawford @mikemearls, Psionic Mastery activate all disciplines with one action or I need actions/bonus to activate each one later?
— Brito Procopio (@BritoProcopio) March 18, 2017
Psionic Mastery lets you take an action to gain a special pool of psi points. It doesn't also activate disciplines for you. #DnD https://t.co/5u1KZUmg7w
— Jeremy Crawford (@JeremyECrawford) March 18, 2017