Hah, this is great. Definitely needs to be a spell to summon a chair :P All I can suggest is you find some unowned chairs and move them around with you all the time. I believe most chairs aren't bolted down or anything, but not sure about benches. With telekenisis, you can throw them pretty far I imagine. Unfortunately, you're not going to be able to take them to other zones, and they'll probably get destroyed by area of effect damage pretty fast, so your best bet might be to go in the editor and place a number of indestructible chairs here and there. I assume you've beat the game before, so it won't be spoiling anything? :P Of course, then your co-op mates and you are all going to have to add that mod to your game, which would be kind of a pain just so you could sit in a chair for battle.
