Sitting Ducks

In his quest to help Niccolò Copernico Ezio Auditore follows a cardinal to find the Master of the Sacred Palace, however on reaching the meeting he finds out that the Master has sent his best men to find and kill all the scholars Ezio had helped hide from the Templars.

Outcome
Ezio succeeds in assassinating all the executioners.

Trivia

 * To achieve full synchronization all the six executioners must be killed in under 5 minutes.