Battlefield Heroes: Moonlight Heroes Bundle

On 27th January 2010 these sets were released as part of the Vampire vs. Werewolf promotion. The theme included the first Night Maps and some claw Widgets. The sets returned Halloween 2010 and Halloween 2011 of course.

Royal
http://cdn.battlefieldheroes.com/uploads/1/bfh-halloween-hotdeal-werewolf_en.jpg

National
http://cdn.battlefieldheroes.com/uploads/1/bfh-halloween-hotdeal-vampire_en.jpg

Trivia

 * The real life reference most like is the Twilight Saga. Both transylvanian legends (vampire and werewolf) are main characters and fight for the love of Bella, a human girl.

Weblinks

 * Background Giants 2011
 * Vampire vs Werewolf subpage