So, give up your position and element of surprise letting them know where exactly you are
Yes, it isn’t Fallujah. Your position is in the house. Either they know your there or they don’t. If they don’t and you yell your armed the odds are they leave. Or in this case it would have opened a dialogue that would prevent the murder.
Just give them the house, Morrowind rules
You aren’t giving them this deed to your house.
Illegal
No
because it endangers bystanders and is reckless and irresponsible.
No it doesn’t. But I agree its a shame when innocent people die due to irresponsible gun owners
You mean like seeing an arm break a window and reach for a doorknob?
Unarmed hand but go back to first point about warning intruder you are armed and will fire.