Impenetrable Mind

Your willpower is extraordinarily powerful, you have advantage on all wisdom and charisma saving throws made to resist a Humanoid attempting to gain hold over your mind, if your success is over a 20, you may reverse the effect on them, and have them roll the same saving throw you rolled, you may only use this feature twice per short or long rest, this increases to 4 times at level 10 and 6 times at level 17, a Natural 20 Automatically activates this feature and doesn't require a charge, though the user may willingly decline it's use.