Editing Periodic Table of Dragons/Rules and World Description (section)

===Wizards===
*Wizards are organized into Tiers, higher Tiers have more mana and can use more complex runes.
**Rank is determined by a combination of mana pool size, mana expenditure rate, and mastery of the language.
*Wizards often have to develop their own runes, but some are willing to sell their patterns to others, though they are regarded as slightly odd by other wizards.
*There are Licensed wizards who have passed the local tests and gained access to the area's library, and unlicensed wizards who do not have access, but a license is not required to practice magic, except in certain countries or cities.
**Gaining a license does not mean free access to all rune patterns available, only those within your Tier and below are available.