Harass the Kysis Fortress garrison with your raiders and report the result to Menglad.
Step 1. Defeat the Kysis Fortress GarrisonA force of Elyos or Balaur that appear when Kysis Fortress is Invulnerable. The Garrison is comprised of Fortress Snipers, Fortress Gallowglasses, Fortress Mages, and Fortress Priests. (x10).
Step 2. Report in to MengladA Centurion of the Protector of Primum Legion at Kysis Isle. She says her name is Menglad because she “makes men glad.”.