Bound into this armor is a level 6 spell. The spell is determined when the armor is created and must belong to the Abjuration or Illusion school of magic. The armor has 6 charges and regains 1d6 expended charges daily at dawn. While wearing the armor, you can expend 1 charge to cast its spell.
The spell's saving throw DC is 17, and its attack bonus is 9.
The wearer has Disadvantage on Dexterity (Stealth) checks.