You masterfully defend yourself against incoming attacks, using your armor to its full advantage. While you are in this stance, wearing armor, and wielding a shield, you gain a +5 bonus to your Armor Class and creatures cannot have advantage or Epic advantage on attacks against you.

Epic Strike: Shining Lance
You lash out with a single blow of unparalleled precision, making a single weapon attack or casting a spell that makes a spell attack. Attacks made using this Epic strike automatically hit and deal radiant damage instead of their normal damage type.
Damage Multiplier: Damage dealt by this Epic strike is doubled.