Brooch of Shielding

Uncommon

Wondrous item, uncommon (requires attunement) While wearing this brooch, you have resistance to force damage, and you have immunity to damage from the magic missile spell.

Adamantine Half-Plate

Uncommon

This suit of armor is reinforced with adamantine, one of the hardest substances in existence. While you're wearing it, any critical hit against you becomes a normal hit.