Silent Image cantrip poster you can have up to

you can have up to three of its 1-minute effects active at a time

When the wall appears

or a fiend to your service

and the charmed condition

Silent Image cantrip poster you can have up toYou create the image of an object, a creature, or some other visible phenomenon that is no larger than a 15 foot cube. The image appears at a spot within range and lasts for the duration. The image is purely visual; it isn't accompanied by sound, smell, or other sensory effects. You can use your action to cause the image to move to any spot within range. As the image changes location, you can alter its appearance so that its movements appear natural