2003 · Kaynak kitap (oyunu geliştirmek için kurallar/seçenekler)

Grimoire

A d20 System supplement that expands spellcasting options for fantasy roleplaying games. It introduces flexible magic rules, including altering a spell’s power, combining minor spells, and customizing effects with spell templates. The book also includes dozens of new spells, with guidelines for heightening or diminishing their effects and creating magic items from them. The rules are designed for use with the 3rd Edition or revised 3rd Edition Player’s Handbook.