Physical Traits
GameMastery Guide, page 183
: These traits determine the laws of physics and nature on the plane, including how gravity and time function.
Elemental and Energy Traits: The dominance of particular elemental or energy forces is determined by these traits.
Alignment Traits: Just as characters may be lawful neutral or chaotic good, many planes are tied to a particular morality or ethos.
Magic Traits: Magic works differently from plane to plane; magic traits set the boundaries for what magic can and can’t do on each plane.
Physical Traits
The two most important natural laws set by physical traits are how gravity works and how time passes. Other physical traits pertain to the size and shape of a plane and how easily a plane’s nature can be altered.