A spellbook. A book of shadows. A grimoire. These are all names for the same thing: a formula for casting a spell. GURPS Thaumatology: Ritual Path Magic has rules for grimoires to use with the eponymous system, but that has a few assumptions built in from the book it originally appeared in (GURPS Monster Hunters 1: Champions). So what would a more detailed ruleset for grimoires look like? Well, wonder no further! I’ve got you covered…
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