Planescape-1

Spanning from the building blocks of the Inner Planes to the lofty philosophies of the Outer Planes, each makes up a part of the multiverse, far from the thoughts of those who dwell on the Prime Material Plane. For those who are born and live off the Prime Material, or for those who dare challenge the majesty of the planes, there is one crossroad city that each and all must pass through if they walk the planes: Sigil, City of Doors. In this city, myriad portals open to locations across the planes, to realms fair and foul. But for such each door, a key is needed…