Blizzard has issued a warning to World of Warcraft Classic fans that one domain can see a login queue of more than 10,000 players. Recently, Blizzard let prospective WoW Classic players reserve their character's name, and as part of it signifies their intention to play in a certain realm. Nostalgia-fueled WoW fans rumbled to their intended destination, hoping to put a flag in a virtual space around 2006. Apparently, so many people put 20p down into Herod's territory that would be inhabited…