I kinda like turning into shit as Demo, gives the spec something unique. Like if it can't be META, what else can't it be?
I think a stance/form needs to stay, one idea would be a Fel construct ( Fel Xhul'horac Model or Socrethar robot for example ).
"You Create a Temporary Fel Construct that houses your soul. The construct fades away after 15s or when manually exited, returning your soul to your body. While posessing the Fel construct, you can BLABLA INSERT DEMON STUFF HERE
Imo fits the lore too since you move your soul into sth else instead of twisting your body like demon hunters do.
What would be cool enhancements to have in a new form, but more summoner related? :P
some ideas out of the top of my hat based on current demo
- just like Xhul'horac, you can tear gaps in reality, creating a portal for your demon army. Could even have a single & aoe version of this
- Hellfire becomes rain of chaos as AOE example!
- All Shall Burn-like ability (azmodan HOTS), fel fire channel , able to move while channeling. All your demons will switch to this target and deal XX% more dmg while the channel goes on. Not spammable?