Mission Dossier: Sibling Squabbles
Reap marks of Xivu Arath from Hive forces in the Nether by using Void or Strand to deal final blows.
The Deputy Commander tasked you with reaping runes from Xivu Arath's forces and using those runes to mark defeated Lucent Hive Ghosts, planting the idea that Xivu Arath has moved directly against her sister and turning the sister against one another.