Blizzard has just unveiled a brand new exterior option for player housing, the big keystone feature in World of Warcraft: Midnight , and dang, it’s gorgeous. It’s a big magic-looking treehouse situation that comes in both a pleasing spring green and an even more seasonal cherry blossom pink. Look! Look how pretty this is! ©Blizzard Sick, how do I get one? The Shop? The real-life money shop? It costs  how much?! This admittedly lovely housing exterior costs forty real-world dollarinos! That is, it costs 4000 “Hearthsteel” which you can notably only buy in increments such as 2500 for $25 or 5000 for $50, so it may as well cost $50. This really sucks! At $40, this is the most expensive item in the housing store thus far, unless you count the $75 bundle that includes this exterior plus a bunch of interior decor. Yes, it costs $75 to obtain this extremely lovely springtime set. Blizzard has always included real-money-exclusive cosmetic items in its store: mounts, pets, transmogs, the like.…