The Clarity in Madness

You release a Maddening shriek of pain that causes madness in yourself, you must succeed on a Wisdom saving throw On a failed save you succumb to Madness. While the Duration of this spell is active anytime you inflict Madness on a creature and they lose a spell slot, you gain that spell slot. If you fail the Wisdom save, this spell does not activate. This spells Duration is 1 Minute at first level, 1 Hour at 2nd level, and 1 Day at 3rd.

Condition: Madness

A creature that becomes affected by madness takes fire damage equal to twice their CR or level (minimum of 1). This damage cannot be reduced or ignored in any way. If The creature possesses spell slots, it needs to roll 1d8. It expends a spell slot of level equal to the number rolled (or its highest spell slot if the number rolled is too high). A creature that becomes afflected by madness is stunned (see the condition) until the end of of its next tum, the madness then ends.