"A man may see how this world goes without eyes." (King Lear)
Monks of the Unseen Way are part of a secret order of blind martial artists, hiding in plain sight. You might offer to help an old man to cross a busy street and never know that the hand you held had helped slay dragons. You might watch a busking magician do a disappearing act, not realising that he is in fact a spy.
If you were not already blind, then you submit to an initiation ceremony where you lose any sight you previously possessed. However, now you can see how 'this world goes without eyes'. Now, you can see the true nature of the invisible life force that is ki. Now, you can gain the ability to Punch Their Lights Out and deal the blind justice of An Eye for an Eye.
- from the publisher's blurb