Epic Boon Feat (Prerequisite: Level 19+, Farspawn Species or Far-Touched Background)

You gain the following benefits.

Ability Score Increase. Increase one ability score of your choice by 1, to a maximum of 30.

Your myriad eyes peer into the depths of others minds, and can break them with the slightest effort. You learn detect thoughts and always have it prepared. You can cast  detect thoughts on a creature grappled by you at will, without using verbal, material, or somatic components.

When you use your action to probe beyond the surface thoughts of a creature you have grappled using your detect thoughts spell, you can force the creature to make a DC20 intelligence saving throw instead. On a failure, they take 8d12 psychic damage, and their intelligence score is reduced by 1d4 for 1 hour. If this would reduce a creature's Intelligence or hp to 0, that creature dies, and you absorb its knowledge and memories, learning any information the creature knew in life. On a successful save, the creature takes half damage only.