catalog.chaosium.com An Optional Magic SystemChaosium
for Call of Cthulhu and Basic Roleplaying
For decades magic has been a backbone and prominent feature of Call of Cthulhu. Whether it is a race to stop the summoning of some god or alien, the need to communicate with things on other worlds by means of arcane scripture, or solving murders done with hexes rather than guns, magic has been inevitably wedded to the game narrative.
Here is, hopefully, a useful breakdown of what magic is, what it can do, how it works and how Investigators can make it work for them. Of course, humans are not the only ones who can use this mysterious force and Mythos specific magic is also examined.