Ripper's Bulwark

Armor (Shield)

Rare

"Metal as Fuck" -E, the Bi Bard, DelicateBase item: Shield

This finely crafted, nonmagical, round shield has a rotating chain blade on its edge, which you can activate by pressing a button on the grip.

Chainsaw Bash. As a bonus action, make a melee attack to slam the side of your shield into a creature.
On a hit, the target becomes stunned until the start of its next turn and takes 2d8 Slashing damage.
Lose AC given by this shield until the start of your next turn.