When you succeed on an Action Roll with Fear, you can spend a Hope to clear a Stress.

You can briefly slip into the realm between the living and the dead. Mark a Stress to move up to Close range through creatures and object

When you use your Veilwalker feature, you can now move to a location within Far range, and you have advantage on the next action roll you make in this scene

You cannot be made Vulnerable unless all your Stress is marked.

Once per long rest, when you would mark your last Hit Point, you can mark a Stress and enter your Spectral Form instead. While in this form, you can move through physical matter and have resistance to physical damage. Additionally, when you would mark a Hit Point, you mark a Stress instead. You drop out of this form if your last Stress is marked or you clear a Hit Point.