The Oathnut, also referred to as the warming mushroom, is a truffle and not a nut. It can be found, albeit rarely, in the Mimean and Mineous Forest hundreds in Kanday and even more rarely in other forest regions of Hârn.
This 'double' issue includes 24 characters to be used in any way the GM sees fit; as NPC opponents, helpers or even emergency PCs for that player who turns up unexpectedly.