Illusion, extended

[Mathulhu]

Illusion is hard you have to give it a lot of leeway.

His thighs would get cramp, or if it's all in his mind and he doesn't even crouch down.

Does the cramp in his legs mean he knows the stool is not real?
Or does he just stand up to stretch out his legs before thinking "sitting on the floor looks more comfortable" and sitting on the real floor?

Illusion is messing with the barrier between body (character) and brain (player) so you need to make some decisions about how you want it to be played. We have a standing rule; if your character is subject to an illusion it's your responsibility to make the character maintain their belief in it.

[Gold & Appel Inc]

Originally Posted by jabba

Now i want to take this and use it on someone that compartmentalzed mind. how would that work? remember this is all mental. and if someone makes his check agenst illusion is the illusion still in his head just like it your still be there if it wasnt mental

No problemo, assuming the Illusion is successful: All compartments perceive it.

Originally Posted by jabba

Now would i need tk to make it so someone could sit and stay in an illusionary stool? i dont what him falling right through it and if its extended to feel. would he feel the stool as he fell through it. that is if he falls through it lol

Depends. If the stool is purely imaginary, the victim might adjust their posture to fit what they perceive, but if this implies impossible physics that they cannot adjust to with an unassisted posture, they will attempt to mount the "seat" and fall.

[gjc8]

Originally Posted by jabba

and if i put someone in an illusionary cell. and i have extended touch would he be able to just walk through the bars or would the feel of the bars keep him in place?

If your subject flings himself at an illusionary wall, you can make him fell pain like he smacked into a wall, provided you have Extended (Touch). In actual fact, he will move through the wall.

What I'm not sure of is if you can make him feel like he bounced off the wall and is still in the cell, just as if he'd thrown himself against a real wall. Possibly you need Extended (Equilbrioception) or something like that.

[jabba]

So if i have succeeded in affecting a person with a mental illusion and has compartmentalized mind then i dont have to do it twice? wouldnt one side of the brain not be affected? sort of like possession or mind controll?

[Gold & Appel Inc]

Originally Posted by jabba

So if i have succeeded in affecting a person with a mental illusion and has compartmentalized mind then i dont have to do it twice? wouldnt one side of the brain not be affected? sort of like possession or mind controll?

All Compartments resist separately; my previous comment assumes all failed. If there is a divide between Compartments that resist and those that don't, you're encountering a Compartment vs Compartment situation as described under the Advantage's description in Characters.

[jabba]

So do i have to make a seperate check for each compartment or just one check on my part and a check for each compartment for the victom part? would i be able to effect all compartments at the same time?

[Gold & Appel Inc]

Originally Posted by jabba

So do i have to make a seperate check for each compartment or just one check on my part and a check for each compartment for the victom part? would i be able to effect all compartments at the same time?

The text on 4e Characters p 43 doesn't really specify either way, but I think it would make sense to just roll yours once and then let each compartment roll to resist that result separately.