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:
“I need not say what match I would touch, what system endeavor to blow up; but as I love my life, I would side with the light, and let the dark earth roll from under me, calling my mother and my brother to follow.”
—Henry David Thoreau (1817–1862)