So basically you admit there are different kinds of void elves. So being a void elf isn't based on physical appearance only.
It's a whole process which goes beyond that.
This is out of subject because of course it's written these void elves endured an expected transformation given they're the ones we're playing.
Just like when you create a human char, they're defined as Stormwind citizens only.
But humanity isn't tied to Stormwind only. Kul'Tirans are human beings too, despite not sharing the same physical appearance with their Stormwind cousins.
Claiming the "blatantly obvious" is still an opinion, and not an objective fact. But keep on trying the way you do since years.
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Excepted Void elf isn't a race. That's like saying High elf are a different race than blood elves. Nonsense.
And last time I checked, Sylvanas despite using death forces is still a forsaken.
A forsaken ranger and a human forsaken are part of the same race despite looking totally different. This is absolutely the same deal for the void elves. The void elves built a new order, not a new race.