Shield Wall
(1
point)
1st degree
Sanguine Knot
Bonus Action
Falling into step with a fellow warrior and putting both of your shields together makes each of you harder to hit.
While you are wielding a shield, you can choose one ally within 5 feet that is also wielding a shield. Until the start of your next turn, as long as that ally remains within 5 feet of you and is able to take actions both you and your ally increase your AC by 2.
Source