Prohibited Command

No Skills is a status ailment in most Mario RPG games.

Super Mario RPG: Legend of the Seven Stars
In Super Mario RPG: Legend of the Seven Stars, after Mario and Mallow join Geno while he's fighting Bowyer, Bowyer will retort that a three-on-one fight isn't fair. To compensate for this, the, and  buttons will appear in front of him. Bowyer will then fire an Aero at one of the buttons, which will effectively lock the ability to use that button's commands (magic, items or attacks). Only one button can ever be locked at once, although Bowyer will continually fire Aeroes at the buttons every few turns until he is defeated.

Paper Mario
This ailment in Paper Mario is first seen when Mario is attacked by a Spy Guy holding a hammer. The impact will be so hard that Mario will drop one of his action commands (jump, hammer or item). Other attacks, like Fuzzipede's tackle and Bowser's jump will also disable one of the commands. Mario will get the command back after a couple of turns..

Paper Mario: The Thousand-Year Door
In the second installment of the series, this ailment returns with the same effect as the previous game, but now partner abilities can be disabled as well. It is once again inflicted by Bowser's jump.

Super Paper Mario
In Super Paper Mario, this effect is inflicted by Tech Cursyas. When affected by it the Heroes of Light cannot use their special abilities for a period of time. Mario loses the ability to flip, Luigi loses his Super Jump, Bowser is unable breathe fire, and Peach loses her parasol abilities.

Mario & Luigi: Superstar Saga
In Mario & Luigi: Superstar Saga, the Boos in Bowser's Castle can steal command blocks, stopping the brothers from using them.

Mario & Luigi: Bowser's Inside Story
In Mario & Luigi: Bowser's Inside Story during the battle against the Vacuum Helmet inside Bowser, it will suck up one of the command blocks, preventing either items or special attacks from being used. After a few turns, the Bros. will get it back.

During Mario and Luigi's battle against Bowser X, using a Special Attack will make Bowser vacuum it, so it is unavailable for five turns.

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