Hey there Sorax,
You might give the Grim a look, our formal info-post can be found here: [H-RP/PVE/PVP] <The Grim>
We might have a few character who might fess up to being involved with Shadow Council if you buy them a few drinks first and don’t ask tooo many questions.
I think most of the realm-chat channels went away with the (new with BFA) community channels since they give the creators a bit more control over who can join them, but lose that easy-to-join aspect. A lot of the RPers here make use of RP addons such as TRP3, so you might give that a shot. I see quite a few people in Dazar’alor with that turned on.
There is also a pretty active Discord community for the RPers.
I hope you find a group that fits your needs!