Portal Master

A relevent article may be out of date: Portals 

Ever since the discovery of Portals and creation of Portal Gates, there was the need for someone to matain and control them. These individuals, known as Portal Masters, have the natural ability to create such a phenomenon but like any other kinds of Magic there is a limit. They can only keep a Portal open as long as they can endure the stress that comes to channeling the amount of Magic required without the use of a Portal Gate.

When it was proven that the Portal Gate could be make kickstart itself without a Portal Master, their importance began to wane quickly. They soon found themselves in the roles of maintainers of the Portal Gates while now and again creating new links and nothing more.