Prerequisite Count

Prerequisite Count or PRC is listed in Spell Tables and is mostly important to know for using the Ritual Magic system when knowing what default penalty the spell has as a technique for the spell it is based on.
In 2010 at request PK did http://forums.sjgames.com/showthread.php?p=1064297#post1064297 which arranged spells from -0 to -30 based on their counts which is super useful
Category:Concepts