D20 System
The current rules are based on the d20 System—a core set of rules which can be (and are) used as the basis for many games. Thus, many d20 games might use the D&D spell list, while others create their own or even replace the entire magic system.
Read more about this topic: Magic Of Dungeons & Dragons
Famous quotes containing the word system:
“While the system of holding people in hostage is as old as the oldest war, a fresher note is introduced when a tyrannic state is at war with its own subjects and may hold any citizen in hostage with no law to restrain it.”
—Vladimir Nabokov (1899–1977)