Based on the information provided, here is a neutral, documentary-style summary:
Devon is an individual identified as a practitioner of breatharianism. The primary claim associated with him is that he has lived without eating food for a period of four years. This practice is rooted in the belief that a person can sustain themselves on prana, or life force energy, rather than on physical sustenance.
The provided source material does not offer details on Devon's background, the specific methods he employs, or any scientific or medical observations of his condition. The context in which his claim is presented highlights a significant degree of skepticism, directly questioning whether the practice is authentic or a "scam." No further information is available to substantiate or dispute the claim.