Go for it if it will ease up your hatred amigo.
After all, the dead person will feel nothing and you may even heal a bit.
Which apparently you need badly, IMHO.
MYSELF, I ALWAYS PREFERRED " FIST DANCING UPON THEIR HEADS", WHILE THEY WERE ABOVE GROUND, IF SUCH ACTIONS WERE JUSTIFIED.

And yes, it was always a very satisfying and rewarding experience..- --Tyr