This lovely piece of work is done by ShawnTheGirl, whom you can find at these places:

https://furaffinity.net/user/shawnthegirl
http://weasyl.com/~shawnthegirl
https://twitter.com/SwankyImage
http://swankyimage.net
https://picarto.tv/ShawnTheGirl

Seriously, go commission her!

Here we have Marialas, the Nightborne Elf Arcane Mage, specialising in controlling the force of magic itself along with dimensional manipulation.