Far from an expert, but i’ve been a fan of the spec since release, have done some highish keys on it and mythic prog. Not always my main but usually an alt.
Seems like you have a grasp of how the spec works, but to further elaborate on some of your points because im a nerd;
•TO EARLY TO HAVE A DEFAULT META BUILD: Obviously, tuning is afoot on beta and could drastically change things. That said, the current AoE and ST builds while similiar on the tree, play quite differently.
•AOE / M+ BUILD IS THE SAME OLD SPIRIT BOMBING: It is so clunky. Wish it cost less fury, capped at 3 and was just a replacement for Soul Cleave (and MOST improrantly of all, get rid of that clunky delay). Alas, it remains as is.
Right now, Bomb > Cleave even at two targets. One thing that helps me (shouldnt be the case because its counter intuitive) is to shift my mindset to how VDH used to when im AoEing IE: Soul Fragments are our resource and Fury is an afterthought, existed just to fill in gaps where we can’t generate Fragments or Bomb.
Essentially, a simplified 2+ target priority:
1: SPIRIT BOMB at 4+ soul fragments, 3 is okay if you accidentally eat onem
2: FRACTURE and IMMOLATION AURA to gen shards, Immo taking prio if you’re in a big AoE, Fracture if its just 2-3 target cleave.
3: Dump Fury into SOUL CLEAVE. Key here is to only really care about Fury and Cleave IF THE PREVIOUS PRIORITES ARE NOT AVAILABLE. (If your at one charge of Fracture and not about to cap at 2, thats essentially your Cleave window).
•SINGLE TARGET (MOSTLY CARES) ABOUT FURY WITH FRAGMENTS TAKING A BACKSEAT: As i’m sure you’re aware, Frailty is extremely strong now, and SC deals extra damage the main target. Simply put, keep Fracture and Immo on CD, press Soul Cleave to avoid capping. Don’t want to waste Fury.
The only time Fragments really matter in ST is during FIERY BRAND due to the extra fire damage taken. At that point, you swap to the Spirit Bomb priority system, and go back to the Cleave priority when Brand falls off.
When it comes to heavy hitters like FEL DEVASTATION, you mostly want to press on CD. If you can stack a few Frailtys right as it comes off CD, thats great, but dont delay pressing Fel Dev for more then a couple seconds.
•DEMON SPIKES IS REALLY POWERFUL: Feed the Demon, extended uptime…Spikes is up way more. And its so nice. Additionally, VDH is just super bulky atm even without a defensive up, so its a good idea to keep one charge always rolling, and save the other for emergencies or big pulls + high damage boss phases. Never keep both on CD though!
All in all, it does sound like you get the gist of VDH. Be ready for change since its prepatch ( #UncapSoulCleave ) but its unlikely it will end up playing drastically different.