Complete memory sequence 4.

Complete present day mission 2.

Kill a guard ringing a bell.

Board a ship without losing any crew members.

Complete 25 Abstergo challenges.

Break free of a Cerberus while they are biting you or trying to push you down.

Find a buried treasure.

Defeat Queen Leech.

Read all files.

Get a hit with an EMP

Defeat the Proto Tyrant.

Complete the factory.

Select a Friend Autolog Recommendation and beat it