Been playing around with an idea...for 10mins. The Necromancer.

[Anova]

Necromancy has traditionally been the practice of using body parts to foretell the future. The more fantastical elements of using the dead as a weapon were added in the medieval ages. It's hard to separate the two elements now, but there is a basis for necromancers as a healer or as a sort of shamanistic figure.

Anyway, I'm not sure about the mechanics, especially since the necro would need a separate bar for the primary mechanic and the second mechanic seems dicey especially since one death usually means such a loss in dps, tanks, or heals that a raid group would wipe. The feature would be useless and the class would be in the same position as AST was prior to patch 2.7

There's also nothing to separate it from the other healers, although it does have a shield/hp recover mechanic. I would much rather have the necromancer syphon off souls from slain enemies (maybe when a DoT is active on them) and use them to power their spells. The necromancer would have another resource to manage, but they'd have a fairly consistent strength as the fight goes on if they can substitute souls/ghosts for mp or more healing power. You might need a mechanic that lets you do the same when there's no adds too probably, but I have no idea how that might work.