Last enemy is game's developer. Better don't try to find him :)
And if serious, I removed him from game right before the release, but forgot to remove from the guidebook.
By the way you can check the achievements screen and find out which achievements are still not done.
 "Brave Shorties 2"){kind=icon}
 "Royal Squad"){kind=icon}
 "LethalRPGDestiny 2: Conquest"){kind=icon}
 "Protector IV.V"){kind=icon}
 "Book of Mages: The Dark Times"){kind=icon}
 "Epic War 4"){kind=icon}
 "Chibi Knight"){kind=icon}
 "Super Karoshi"){kind=icon}
 "Sonny"){kind=icon}
 "me and the key"){kind=icon}
Last enemy is game's developer. Better don't try to find him :) And if serious, I removed him from game right before the release, but forgot to remove from the guidebook. By the way you can check the achievements screen and find out which achievements are still not done.