Necromancer, About

"Practitioners of the dark arts, necromancers summon the dead, wield the power of lost souls, and literally suck the life force from the enemy. Necromancers feed on life force, which they can use to bring allies back from the brink or cheat death itself."

Necromancers are masters of the dark arts. They summon the dead to fight for them, channel blood energy and rend their enemies' souls. Necromancers draw on life force and use it to strengthen or heal themselves and others. As a scholar profession, necromancers wear light armor.

http://metabattle.com/wiki/Necromancer

http://wiki.guildwars2.com/wiki/Necromancer