The Legacy Add-on for Dragon Age II has 5 trophies - 2 bronze and 3 silver.
Defeated an ancient evil in the Vimmark Mountains. ("Legacy" downloadable content)
Killed a genlock, genlock alpha, hurlock alpha, bronto, and deepstalker in the Vimmark Mountains. ("Legacy" downloadable content)
Applied three effects to Hawke's Key. ("Legacy" downloadable content)
Completed the main quest in the Vimmark Mountains with Bethany or Carver in the party. ("Legacy" downloadable content)
Completed every side quest in the Vimmark Mountains prison tower. ("Legacy" downloadable content)