Trait Skill: Juicing (Grab for Sex Battle)
-100 Stamina and they die. (CONstitution Stat)
Lose Morality? Depends on what kind you're talking about.
If you attack a guard and it raises your Morality, that's fine and dandy.
If you really have a problem with very low or very high Morality, consider buying a fake ID for 10k Trade Points. (About 6 Large Copper Coins)