A Fallen Sister is a side quest in Emerald Graves in Dragon Age 3: Inquisition. It initiates after reading Fairbanks intel documents to learn about his fallen sister. Entrance into the mine has you contending with a swordsman and two snipers. Beware also of the sister's large shield, and her annihilating mace stikes.




Fairbank's documents mention a Freemen target named Sister Costeau, who was last stationed at the veridium mine in the Emerald Graves.






  • Objectives:
  1. Go to the veridium mine.
  2. Deal with Sister Costeau.

  • Boss: Sister Costeau
  • Locations:
  • Rewards: 967 XP, 200 Influence, 2 power
  • Choices & Consequences: N/A
  • Player Notes:
  • Dialogue:



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