You searched for cloak of illusions
1. cloak of illusions
Syntax: cast 'cloak of illusions'
Illusionists are able to surround themselves with a cloak that masks the
equipment they are wearing. When someone looks at an Illusionist who is
cloaked, they will not be able to see what the Illusionist is wearing.
This spell also disables anyone from peeking at your inventory.