If he meets his fear, he will disappear. Fighting him there, get rid of him and in reality.
If you have complex forms of phobia where you need to simulate objects of your fear — just close your eyes for a second and very clearly imagine that there is an object of your fear, for example, a dog or spider right in front of you. In some practice, you can even simulate the plane and fly on it. If you are afraid, create a protective screen around you in the form of a transparent box or cocoon that will completely protect you from all attacks.