So in this PF campaign I'm creating magic used to be a lot more powerful, but the gods divided it into nine schools and hid it away from the mortals.
I'm hoping my PC-s will venture to collect a piece of every school (and ultimately use them to save/destroy the world
So far they have obtained a piece of "primal" necromancy (a crystal which is actually condensed necromancy) from a bad guy, but they still have no idea where it came from.
So where would you hide a school of magic, and in what form?
The caveat being that it should only be possible to retrieve small amounts of the stuff.
What I have so far:
Necromancy: to obtain it you must travel to the plane of shadow (think 4e shadowfell) and once there sacrifice a sentient being. Depending on the "power" of the soul sacrificed a certain amount of necromancy is condensed into a crystal on the spot.
Abjuration: a quicksilver like substance, primal abjuration forms a protective field around the world, high in the atmosphere. The PC-s must use some sort of flying device to get to it, but they can only retrieve a small amount since the field actually protects the world from god-knows-how-awful beings from beyond...
Oh, and most denizens of the world know nothing of the whole thing...
I'm hoping my PC-s will venture to collect a piece of every school (and ultimately use them to save/destroy the world

So far they have obtained a piece of "primal" necromancy (a crystal which is actually condensed necromancy) from a bad guy, but they still have no idea where it came from.
So where would you hide a school of magic, and in what form?
The caveat being that it should only be possible to retrieve small amounts of the stuff.
What I have so far:
Necromancy: to obtain it you must travel to the plane of shadow (think 4e shadowfell) and once there sacrifice a sentient being. Depending on the "power" of the soul sacrificed a certain amount of necromancy is condensed into a crystal on the spot.
Abjuration: a quicksilver like substance, primal abjuration forms a protective field around the world, high in the atmosphere. The PC-s must use some sort of flying device to get to it, but they can only retrieve a small amount since the field actually protects the world from god-knows-how-awful beings from beyond...

Oh, and most denizens of the world know nothing of the whole thing...