Can you force Arcane Armor off of someone?

I’m a DM and one of my party members wants to use it to be able to walk without legs so it’s just armor carrying a body (were starting at 5th level if your wondering). I want a way to make this a disadvantage and basically render him useless for a battle or two for fun. I know it says that The armor attaches to you and can’t be removed against your will but i was wondering if there was a spell or some condition that would get rid of the magic on it or something.