I assume that's a major factor in the burnout the OP has been experiencing.
OP was talking about wanting to play Meele class instead of caster ...
That have nothing to do with amount of companions.
But since you started about it:
We would hardly get Karlach sooner than when will she get proper class ... no matter if that will be Paladin, as her tag suggest (and i still believe she would be great Oathbreaker) ... or if she will end up as a Barbarian, as most people predict.
What puzzles me tho is why we didnt yet get that datamined Druid (Hella? Hellia? something like that) companion, or Minsc, since he is Ranger ...
And since those should be every Origin character in the game ...
I gues there really isnt much more to pick. :-/
Anyway i still hope we will get at least single Origin character per class ... it would be odd otherwise. :-/
I assume the burnout also applies to the fact that out of the two (or three?) routes available towards Moonrise towers only one is currently implemented.
As far as i know, none of them is implemented ... at least not yet.
At every point, when you reach the place where you would get loading ... the game ends with the same sentence "this area is not part of Early Acess yet".
The route Halsin mentioned as preffered one starts on other side of Ebony Lake ... since he specificly mentioned Dark Justicars, and in the end of cinematic you can see two statues of some guys with litteraly same armor as Shadowheart have ... i dare to say that would be best place to start looking.
The second one is indeed shadowlands, you can enther there on west part of the map, somewhere between goblin camp and hag teahouse ... that is also mentioned by Halsin, but also preffered by Minthara, since she (resp. her i dunno, friend? companion? w/e ...) can provide you safe passage.
What puzzles me tho is Githyanki Creche ... since it should be accesible in north/west part of the map, but there you enter the Shadowlands as it seems ... im really looking forward for this.