- Spread throughout Trostland, there are Empyrean Dregs and Empyrean Vandals.
- There are 2 by the entrance of the Lost Sector: Widow's Walk.
- There are more in the Southwestern corner of Trostland, across the road from the church.
- Another Empyrean Vandal can be found along the Southern edge of Trostland.
- 1 Empyrean Dreg can be found along the Eastern side of the Church, in the building just South of the path leading toward the adjacent plaza.
- Collecting the 5 samples will prompt a realization about the Ether.