Spiritual mastery is a process of becoming consciously accountable for what you.It happens to be more of a path than a destination. 

To be the Master of your own Self is to fully understand who you really are. It is a discovery of the leader within you, the inner guiding compass. It means taking full responsibility for your own life, and being ok with doing so. Spiritual mastery is a process of becoming consciously accountable for what you do under any given set of circumstances.