Obtain a total of 10 elixirs

Fully upgrade a weapon

Assassinate 10 guards from hiding spots

Tag 100 guards using Enkidu

At maximum notoriety, become anonymous by tearing down wanted posters

Complete a Tale from Baghdad

Become an Initiate of the Hidden Ones

Defeat Prowler

Defeat Roxxon Rhino

Beat Phin at the rocket launch mini-game

Defeat 100 enemies with Venom attacks

Perform a Venom Jump, then a Venom Dash on a single enemy