Demons according to the bible can only be cast out or avoided, there are no examples of demons being killed. Jesus cast out demons, he did not kill them. The bible warns us to stay away from demons and it calls for them to be cast out of those they possess.
Yep. Yet the natives were murdered none-the-less, weren’t they?
Demons can’t be “killed” - because they don’t have a living body. One could also gather that it is impossible to destroy them.
The demons even asked Jesus if he’d come to torment them before their time, not that they feared “dying” or being destroyed.