Viconia's Walking Fortress

Armour - BG3

Rebuke of the Mighty: When a foe hits you with a melee attack, you can use your Reaction to deal them 2d4 Force damage and knock them Prone, unless they succeed a Dexterity Saving Throw.

Spellguard: You gain Advantage on Saving Throws against spells. Spell Attack Rolls against you have Disadvantage.