Inherent Specialization

Many advanced civilizations have social classes, species, and functions that drive characters to specialize in the skills and traits they acquire to accomplish this. Technologically advanced generally have a strong inclination to specialize.

D20 Inherent Specialization

Characters with Inherent Specialization are driven into highly compartmentalized classes. Characters wishing to Multiclass must have an Ability Score 1 higher than normal for any existing classes; this does not apply to the class they are going to.

Incarna Core Inherent Specialization