The runes in these hand-wraps flare with wild blue lightning when you enter combat, empowering each of your attacks until they are released in a surge raw power.
While wearing these hand-wraps, You have a +1 bonus to all attack and damage rolls. Such attacks are considered to be magical. 

This item can hold an maximum of 10 charges. You gain a charge when you make an attack roll, you gain an additional charge if the attack is critical. As a Bonus Action you may spend 10 charges to gain one of the following:

• Until your next turn you have an additional +2 AC.
  
• Your next successful hit deals an additional 2d6+2 Lighting damage.
• Until your next turn all attack rolls made against a target have advantage.

This Item loses all charges if you take a short or long rest or become unconscious.

The lightning cares not for the wind, the storm or the tree it only sees it's path. - Jeskai proverb.

Notes: Bonus: Melee Attacks, Bonus: Ranged Attacks, Bonus: Spell Attacks, gain charges with attack rolls, Damage, Buff, Combat, Wristwear, Handwear