With this in mind, it is of little surprise that the hub of their activities lies in Altdorf itself, where the magnificently eccentric buildings that form the Colleges are to be found, though other cells, or ‘spokes’ as the cultists refer to them, operate in many other cities of The Empire, much in the same way as extensions of the Colleges themselves do. The Gold College, for example, has extensive ties with Nuln’s gunnery schools and foundries, and a large spoke of The Broken Wheel’s cultists are based within the city walls, interfering and undermining the efforts of the alchemical metallurgists of the Lore of Metal.[1a]