The Necromancer introduced with the Elsweyr this is the cult classic for so many players!
Masters of death, Necromancers can call upon corpses to serve as undead thralls and weave ghastly spells to both harm and heal. - As the In-Game description goes.
This class relies on the dead for everything, from summoning minions to absorbing the power of a corpse. They are the king of DOTS (damage over time) and carry a great deal of utility for groups. They have incredible mitigation and healing potential, leaving them as great choice for any role in any situation!