For all your hoarders out their, try using a solo Kensai. You will soon learn just how much you love using all those Potions of Invincibility and just how much fun it is to buy them too.
You will REALLY need all the potions running around, since your defence is worse then a quadraplegic (sp lol), blind and slowed Giant Rat... I'm not exagerating. Its alot of fun though, and I'm not dissing the Kensai's offence by any means, which is ridiculous enough to usually get you by most easy battles.