Since the solar system book has been announced, I've noticed quite a few posts about the want or speculation of an adventure path of the planetary romance genre. I love planetary romance and thought of a cool idea for an adventure path(at least I think so) that I wanted to share.
My idea is that the orc after which The Pillars of Kreth are named (Pathfinder 11) returns to the Hold of Belkzen from Akiton bearing strange artifacts of that world and accompanied by a retinue of alien bodyguards. Either Kreth, who the orcs now call Kreth the Pilgrim, became a powerful warlord upon Akiton and has returned with conquest in mind or he serves a greater power that still resides upon the red planet who seeks to expand his domain onto Golarion. This is all I've really came up with so far, but I'd love to see other people's ideas or thoughts about this one.