I've locked this for now but I am looking over the video supplied.
As stated by the admins you need to do "/me Stop or KOS" before killing them and if they did it again you can kill them, due to the thing not damaging you. The admins have discussed this and decided to deny this.
Mr Hotz wrote:
I have spoke with joey and I will not be removing your warn from the information joey has told me I also requested to you that you don't get any recent warnings when i unbanned yourself yesterday.