Have they got their own battlegrounds for their own realm only? How does it work? Many tx
Since I play on one, no. I see different realms all the time. Especially those russians.
Only CRZ actually on the realm is limited. LFD/LFR/BG/Arena is just like anywhere else - which is probably a good thing, you would never find groups otherwise.
All RP realms should be PvP