Warmane - the final destination

No matter what server I go to and try different expensions from vanilla to legion, I always end up back on Warmane and WotLK. I want to say that its cause I'm so used to this server but WotLK really is the best experience compared to everything. Not too tedious, not too forgiving either (MoP was hilariously broken, I solo'd Hellfire Ramparts as 60 Prot Warr in quest greens).

same here and it's also because Warmane is the most stable. You can log in a year later and your toons will still be there and ready to jump right back in to the game.