The-Random-NPC
First Post
Illusions are like cons, if you know that it is a con, it tends to not succeed, unless that is part of the con. If at all possible, you should engineer the situtation so that knowledge that the illusion is an illusion is completly irrelevent. For example, illusory floor cast on regular floors, pits and covered pits. At that point knowing that the floor is illusory is completly irrelevent because you don't know if there is a pit trap underneath. There should also be random illusory floors that look like pit traps so that anyone coming across them will waste time.