If you were dreaming of friends morphing into enemies, it means your friends are changing and they no longer think and behave on the same wavelength as you. This dream interpretation is a warning to you. In waking reality, your friends may be ready to betray you because they have changed. As they say, birds of the same feather fly together. If you wish to maintain your old friendships, you might have consider moderating yourself to click with your old batch of friends.
Another dream interpretation might be about your old friends changing into becoming your enemies.