Question about this screen shot from World of Warcraft

[Trancify]

hey guys.. i would like to know something from this screen shot.

Take a look at the 3rd player to the right... using a blue fire ball at the dragon..

http://www.worldofwarcraft.com/screenshots/images/insider/020/interview/ss012.jpg

what classes has that attack ....Human, Night Elf, Dwarf etc.... thats some nice special attack

if you have any idea.. please reply by Tuesday... .. cause the game comes out on tuesday.. and i will pick the charactar who uses that skill... Thanks

 

[Gustavus]

thats a mages frostbolt, any mage gets it, meaning Human, troll, ne, etc