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