Arcane Blade

You gain a +1 bonus to either your Intelligence, Wisdom, or Charisma modifier.

You gain the ability to create a blade of pure magic from the end of your arcane focus, gaining a new special attack option. This special attack can be made using the Attack action, or as a reaction attack of opportunity, using your Strength modifier for attack rolls, and your Spellcasting modifier for damage rolls. 

• A Wand (or focus of similar size) deals 1d6 magical Slashing damage, and has the Light and Finesse properties.
• A Scepter (or focus of similar size) deals 1d8 magical Slashing damage and has the Versatile property, dealing 1d10 damage when wielded with two hands.
• A Staff (or focus of similar size) deals 1d10 magical Slashing damage and has the Two-Handed  and Reach properties.