I just thought this would be a nifty thing if people could mod it. As some of you probably guessed this would be a game where everything dies in one hit (including you!). It would be fun to see the strategies that are developed since if you happen to run into multiple ranged opposition (Beware of Storm Troopers) it would be a scary to say the least! What do you guys think?
There's a You can change monster HP in tweakDB. Not sure how do do it to yourself though, unless you just want to quit whenever you take damage. I suppose you could create an item which each class would have one of in its inventory at the beginning of the game that, when eaten gives the debuff "1 hit wonder" which deals 9999 damage to you if you get hit, but that's a tad messy.
i'd add a single item to the inventory that gives a perma buff that grants an onhit oncast and playerhit effect that inflicts a bunch of damage to the target or to self. wouldn't really make the game very interesting since with would favor a mage build, stealth/invisibility, and teleport. anything else would be one shot by the time you reach a monster with a casting power.