|Source||Fatui Mirror Maiden|
In Game Description
This was once a prism that could polarize light, but has grown dull through the passing of years.
Usage: Weapon Ascension
2 weapons using Dismal Prism as for ascension:
Dismal Prism Farming Locations
Dismal Prism can be obtained by defeating Fatui Mirror Maiden. Here’s all 12 locations of Mirror Maiden:
Grand Narukami Island
In location number 1, Mirror Maiden will be accompanied by Fatui Pyro Agent. In next location, after done with number 2 you can just walk downstairs and you will find Mirror Maiden number 3.
Small island near Inazuma City
Tatarasuna and Nazuchi Beach
Take a note that Mirror Maiden in Tatarasuna area will always accompanied by other Fatui type enemies, whether it’s Cicin Mages or Skirmishers.
For first to second location, head to teleport waypoint then glide down to first location. Defeat them quickly and swim to second location.
As for third location, you will only find Cryo Cicin Mages at first. Mirror Maiden and the other Fatui will appear after you engage her.
Aside from these 3 locations, if you are lucky you will get “defeat Fatui Mirror Maiden” daily quest in Higi village.