Normal thief or m/c fighter thief. Personally I'm not too struck on the kits for the thieves as the trade off for one small advantage doesn't seem to justify the loss of another ability. A normal thief is a good PC but if you multi (not dual) with a fighter then he can stand his ground, particularly after a backstab attempt or after being detected by whatever means. Once you play one you'll do it again.
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It's bleedin dark down here, slippery too.
Man, that's a pisser.
