Achieve 16 medals on predator challenges

Complete story mode on Hard difficulty

String up one henchman and drop him to surprise a second (any play mode)

Collapse 20 scaffolding structures

Assassinate 10 guards while blending with the crowd

Use the services of a Munadi 3 times

Pay mercenaries 5 times

Distract 10 guards with noisemakers

Have 10 guards trigger traps

Put 10 guards to sleep with blowdarts

Pickpocket all 18 artifacts and bring them to Dervis

Fully explore all territories

Obtain a treasure by solving an enigma