I am about to launch a game set on the Heptagram, where the players are mortal students. The experiment I am going to run is basically an open-world, meaning a lot of plot threads will be running around and the players can latch on to whatever they want. To this end, I would like to outsource some plot threads; both for inspiration but also to see how many we can come up with.
My vision of the given Heptagram in point form:

A) The heads of the Heptagram are masters and they all pursue their own interests into the arcane besides teaching. These pursuits are achieved through their...