Keen Intellect

You have a mind that can track nearly any action with uncanny precision. You gain the following benefits:

• You always know where you are, so long as you can see the stars.
• You always know the precise weight of what you're holding.
• Your Intelligence score cannot be reduced, and you cannot have disadvantage on Intelligence checks that add your proficiency.
• Immediately after seeing someone succeed on a skill check or saving throw, you can use your reaction to commit how they performed it to memory. For the next 24 hours, whenever you'd make that skill check or saving throw, you can forgo any modifiers or bonuses (such as Aura of Protection) to instead add half your level (rounded up) to the result. You can only commit one roll to memory this way at a time, and cannot use this on Strength, Dexterity, or Constitution-based rolls. If used on a saving throw, the source of the save must be from a hostile creature.