Arcane Prosthetic Limb (Ice)

Arcane Prosthetic:
This Arcane Prosthetic is an improved version of the Magical Prosthesis. Created by Golem Magic, worked with elemental infusions and a sample of the users own bone, this Arcane Prosthetic is a masterwork of artifice and magic. This item replaces a lost limb a hand, an arm, a foot, a leg, or a similar body part. While the prosthetic is attached, it functions identically to the part it replaces. You can detach or reattach it as an action, and it can't be removed against your will. It detaches if you die. 

Elemental Make: 

This limb is constructed out of elemental energy; in this case Ice. Unarmed strikes made with this Arcane Prosthetic deals 1d6 damage according to the limb's respective element (Cold) and count as a magic weapon for the purpose of overcoming damage immunities and resistances. Your AC increases by 2 as long as you are not using a shield. In addition, it provides  you with specific attacks and abilities.

Integrated Tools:

This limb is designed to serve another function in addition to their use as a limb; in this case a set of Thieve’s Tools. These additional functions can be used at will. Possession of this limb automatically grants Proficiency in that tool.

Elemental Ability:

This Arcane Prosthetic Limb contains 4 Charges. Upon expenditure of one or more charges, you may cast certain Ice Elemental Cantrips and Spells from both regular D&D and the D&D Unleashed Compendium: The Elements & More. These being; Chill Touch (1 Charge), Cold Snap (2 Charges). This Limb regains 1 Charge per Long Rest, and all Charges once per Dawn.

Notes: Proficiency: Thieves' Tools