varies; Make a self-control roll whenever it would be wise to deviate from your goal. If you fail, you continue to pursue your Obsession, regardless of the consequences.
You must make a self-control roll any time the GM feels you show an unreasonable degree of caution. If you fail, you must go ahead as though you were able to handle the situation!
Make a self-control roll at the end of any battle. If you fail, roll 3d, add the amount by which you failed your self-control roll, and look up the result on the Fright Check Table.
