Get 100% Synch by performing the corresponding tasks in the following Templar Agent missions:
MISSION - TASK "Down to Earth" mission - Kill your target with the hidden blade. "Counter-Propaganda" mission - Kill your target with the hidden blade. "Excommunication" mission - Kill Brother Ristoro by air assassination. "Firing Line" mission - Kill the target using the hidden blade within 45 seconds. "Red-Handed" mission - Kill your target with the hidden blade. "The Ringer" mission - Kill only Donato Mancini.