The Assassin Title update for Pirates, Vikings, and Knights II has 8 achievements.
Amass 100,000 points of damage against your enemies using the stiletto
Kill 2 enemies with caltrops in a single life
Capture 2 chests in one life without damaging any enemies in between
Capture 10 enemy chests in one round
Kill one of each enemy class using mainly your stiletto without taking any damage
Finish off 25 enemies with a teammate's assistance
Kill 15 enemies with the crossbow pistol while they're under the effects of caltrops
Play a full round lasting at least five minutes as an Assassin