Armor (shield), legendary (requires attunement by a Spending a short rest - Warforged Only)

This is the Arm-Shield of the ancient Raserei Warforged warriors. Collapsed when not in use, it can be deployed in combat as a round steel shield to protect its wielder.
It is equipped and used as a Shield
You can also cast the Shield Spell as a reaction twice per long rest. 

Shields require the Utilize action to Don or Doff. You gain the Armor Class benefit of a Shield only if you have training with it.

Notes: Bonus: Armor Class, Spending a short rest - Warforged Only

JeanGuyLePoutine