Celebrity Paradox: In this fic, there is no World of Warcraft game on Earth, but World of Warhammer in order to prevent the Earth humans from instantly knowing everything about Azeroth.
Genre Savvy: One of the Marines instantly starts aiming for headshots when he realizes his team is fighting zombies, and encourages the others to do the same.
Wrong Genre Savvy: However, the fact that Azeroth's undead work differently from the kind in zombie movies works against him.
The Magic Goes Away: The ambient mana on Earth is much weaker than in Azeroth. It doesn't make casting spells impossible for Azerothians, but casting is much more difficult on Earth.
What the Hell, Hero?: A Night Elf rogue decides to test the competency of the Secret Service by faking a possible threat. Her party leader called her out on the stupidity of her little stunt, though.