Punch Knife of Throne's Command

Sap (Mastery): If you hit a creature with this weapon, that creature has Disadvantage on its next attack roll before the start of your next turn.

This weapon is bedecked in ornate gold filigree and deep-blue and maroon jewels. You gain a +1 bonus to attack and damage rolls made with this weapon. Additionally, you gain proficiency in the Intimidation and Persuasion skills if you don't already have it.

Spellcasting: The weapon has 5 charges. You can use a bonus action and expend 1 or more of its charges to cast one of the following spells (save DC 16): Command (1 charge), Zone of Truth (2 charges), Compulsion (4 charges), Banishment (4 charges), or Dominate Person (5 charges). The weapon regains 1d4 expended charges daily at dawn.

Proficiency: simple, punch knife Source: The Book of Many Things p. 39, Ben Huffman - Pugilist (Third Party)