Here is the full list of all 15 Memento Mori 2 achievements.
Lara Got Fired From Interpol
Lara Got Promoted
Acquired Maximum Detective Skill Points in Act VI
Completed Act VI
Acquired Maximum Detective Skill Points in Act V
Completed Act V
Acquired Maximum Detective Skill Points in Act IV
Completed Act IV
Completed Act III
Acquired Maximum Detective Skill Points in Act III
Acquired Maximum Detective Skill Points in Act II
Completed Act II
Completed Act I