Hermit Background
The quiet seclusion of you extended hermitage gave you access to a unique and powerful discovery. The exact nature of this revlation depends on the nature of your seclusion. It might be a great truth about the cosmos, the duties, the powerful beings of of the outer planes, or the forces of nature. It could be a site that no one else has ever seen. You might have uncovered a fact that has been long forgotten, or unearthed some relic of the past that will rewrite history. It might be information that would be damaging to the people who consigned you to exile, and hence the reason for your return to society. Work with your DM to determine the details of your discovery and its impact on the campaign.