The Reaper's Embrace is a very rare piece of heavy armor that you can find in the second act of Baldur's Gate 3. It's excellent at mitigating damage and avoiding being moved against your will.

All incoming damage is reduced by 2. Reaper's Rigidity When activated, you can't be moved against your will by any spell or action, but have Disadvantage on Dexterity Saving Throws. Cast Howl of the ...