Technically, it's still there. It's just... detached, or overwhelmed. I don't know the right word for it. But I saw a Tranquil mage come back to himself for a handful of minutes. Far too short. Mostly long enough to beg to die before he became Tranquil again.

[His voice sounds so very tired.]

They function, but as he described it, the world was empty of color, joy, life, everything. They are perpetually caged and have no way to know it or fight against it, except if the bars are lifted for a moment.