Artificers Arm

While wearing this arm the wearer gains the following benefits:

• The creature can recover one expended spell slot as an action. The recovered slot can be of 3rd level or lower. Once used, the ability can’t be used again until the next dawn.
• The arm can send a jolt to the wearer to refocus their mind. The arm has 4 charges. When the wearer fails a Constitution saving throw to maintain concentration on a spell, the wearer can use its reaction to expend 1 of the item’s charges to succeed instead. The item regains 1d4 expended charges daily at dawn.
• While wearing the arm, a creature has advantage on initiative rolls. In addition, the wearer can’t be surprised, provided it isn’t incapacitated.
• A creature gains a +2 bonus to Armor Class while wielding the arm.

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.