The information is subject to change. As the wiki is not a crystal ball, this article should consist only of facts included in official Fen Research releases and not speculation.
The Unknown gathering profession is an upcoming profession in the episode Stonemaw Hill. While the episode has not released yet, it can be seen on several items, such as Grubby Grubs.
Forager Capes are unlocked by achieving various milestones in leveling of the Forager profession and can be purchased from Daguer at The Cloakroom located in Hopeport.