Revenge love

After being 500 years I've been searching for the killer of my brother.Only having the sent of him.I got to finally get close to him.But knowing that I have only 2 years before I have to go back home to help lead the other demons to victory,I a green dragon last of there kind need to decide weather to love the man that killer my brother or in the end go help lead the demons to there freedom.But knowing that if I do kill a human,I will have to suffer the raff of the heavens before going free.