Deception 

   Cheat:
   
    Here are the combinations for the invaders who are otherwise
    unavailable.
    When collecting bodies:
   
    - Invite a merchant and a pirate : a pesky little carpenter will come
      with them
    - Invite a general and a wizard : an annoying messenger comes with
      them
    - Invite a magic doll and a psychic : a curious little alien tags
      along
    - Invite a gem guard and a swordsman : a witch comes along with them

