As this thread is focused on class visuals and fantasy please note that while my points of dislike as an affliction warlock are many, they have been summed up quite nicely already and I would like to thank all involved in making said points.
Onto business:
My main point of contention (visually) I would like to put forth for consideration is the spell effects of affliction.
I have always loved this specialization since I started playing warlock in Cataclysm. One of the visuals I enjoyed and sorely miss was the old Malefic Grasp. Affliction is supposed to focus more on shadow magic while dabbling into death/void as well and I do not feel this is currently being projected as a visual stimuli anymore. (I also miss being a caster juggernaut, such good times we once had.)
Visually the spec looks like discount demonology and destruction (and plays like it to.) By that I do mean the obvious green particle effects in our spells which seems like it is to reference Warlocks affinity for Fel magic.
And in my personal opinion that was always more of a destruction school of magic with demonology dabbling into it a tad.
Please make us affliction warlocks look and feel like the shadowy casters of death and agony we are supposed to be. I’m tired of not being indistinguishable as a specialization. Even our dots have green effects to them. It feels like affliction was simply an afterthought in the new spell visuals, the other two specializations have clear indicators and visuals that separate them from affliction. We sadly just… don’t have anything that makes us look like specialization on our own.
A quick start to this would simply be changing the green particles on shadow bolt to purple or blue and the same for our dots. This way our shadow bolt looks different than demonology for example and our dots also differ in appearance.
For future spells just keep it purple and blue Blizz and please bring back MG in some form even if just as a glyph.