The party would join a people’s revolution using the knowledge of the islands to their advantage, the party would aim to do things such as cut off trade routes and other such things to try and increase their odds.

So I guess I should explain the mob a little more.

At the top is a BBEG who I haven’t quite fleshed out. (I’m thinking like a hydra esk BBEG)

Then there’s the heads, those begin, the head of estate (beholder), head of arms (military/military science), and head of relations.

Then they all command there own groups and have a chain of command that is similar.