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Playing completely without a wizard makes the game considerably harder. You can't extinguish fires properly and can't do most combos. Arrows don't last forever and you'll have to spend a lot of money on them. I tried it, it's no fun.
I had no problems with extinguishing fires, I picked up Rain (and yes I picked up water skill) with my Rogue. If your familiar with AD&D, my Rogue fits the Trickster Class build, a Rogue with magic affinity.
I also picked greater teleport weight, so things like water/ooze/oil barrels are easy to move..even drop on mobs. <<<---big favorite of mine.
