The 39 Clues Wiki
The 39 Clues Wiki
Card 299: Battleground
Number: 299
Branch: Vesper
Type: Secret
Rarity: Common
Puzzle: None
Clue: None
Top Secret: None
Where To Get This Card: Day of Doom

This card comes with Day of Doom.


"The Vespers have been monitoring the Cahills for centuries. You know that prickle you get on the back of your neck when you think someone's watching you? Yeah, that's not your imagination--that's the Vesper agent who's been sent to track your every move."