This one needs no introduction. The hype surrrounding Wrath of the Lich King was real, tangible, and threw World of Warcraft into true mainstream culture! Seeing Arthas again, and what had become of him in the time since The Frozen Throne was something that Warcraft and World of Warcraft players alike pined for.
Do you remember your first day in the Wrath of the Lich King expansion? Sound off in the comments! Boran Tundra? Or Howling Fjord?