Great Weapon Savant

You gain the following benefits while wielding a two-handed great weapon:

• Grants you a + 2 to you AC, while wielding a melee weapon with the heavy property.
• As a reaction you can grant an ally within 10ft of you a +2 bonus to their AC while they stay within 10ft of you, however your AC is reduced by 2 until the start of your next turn.
• Increase your Strength or Constitution by 1, to a maximum of 20.