Complete the indicated challenges to unlock the corresponding bonus.

Altair's Sword: Complete the Set 3 Assassin Challenges.
Broadsword: Complete the Set 3 Mercenary Challenges.
Hired Mercenaries stop beggars: Complete the Set 2 Mercenary Challenges.
Hired Romanies poison guards: Complete the Set 2 Romani Challenges.
Hired Thieves pickpocket: Complete the Set 2 Thief Challenges.
Ottoman Mace: Complete the Set 3 Thief Challenges.
Romani Stiletto: Complete the Set 3 Romani Challenges.