When is murder justified by self-defense?

[Azuren]

Final-Fan said:

And threatening a ban?  That's laughable.  What you've done here isn't bannable, but if someone in this thread was going to get modded then you are far and away the best target. 

Show me where I threatened a ban and I'll give you a cookie. I was trying to diffuse a stupid debate in which both sides refused to find common ground by bringing up the fact that things like that only ever escalate to a ban, not mutual understanding.