Originally Posted by
WindStruck
"Now, I probably could give an estimation on enchanting a sizeable slab of wood in such a way, but do keep in mind that what I am thinking of, with the current spell I have developed, it only affects one person at a time. In other words, only one person could see through the wood at any given time. But, in order to let it affect more than one person, that makes it significantly more expensive, to the point where permanent invisibility is likely a superior option. And that would probably cost, oh.. say.. at least six thousand gold pieces?"