6. Shinning Shields

V.8.3

Credit to u/FollowTheLazer of Reddit for the base ideas. You can find his version here.
Shields are considered armor made from metal plates when it comes to spells and effects

New Action

Being Proficient with shields lets you take the following actions, depending on you shield.

Bash (all). As a bonus action, make a melee attack to slam your shield into a creature. On a hit, the target becomes stunned until the start of your next turn. This deals damage equal to the shield's AC bonus.

Shield Parry (Buckler). As a reaction, Add your proficiency bonus to your AC for an incoming attack that you can see.

Shield wall (Tower). As an action, deploy the shield. While deployed, you gain three-quarters cover but are unable to move.