Skill

Common
Easiest skills to obtain; even a toddler can have a common skill

Rare
Skills that are obtained through hark-work and determination

Epic
Skills that are obtained through a deed of epic proportions; saving a kingdom from an attack

Legendary
Skills that are obtained through a deed that saved a world

Godly
Skills that can only be developed by a Gods Blessing

Blood-Line
Skills that are passed down through a blood-line, however something extreme must have happened to awaken it

Unique
Skills that have not yet been created, or skills that only one person can hold at a time

Genesis
Skills that have existed since the beginning of time, maybe even before then