Wait for the Fallen to reveal the canisters of enhanced Ether, then destroy them.
- Either wait for the Fallen to appear or run toward the entrance of the Widow's Walk.
- You will encounter a group of Empyrean Vandal, and Empyrean Dregs.
- Either kill all of them or just thin them out to bring out the Ether Cache.
- Once the first cache has appeared, finish off the Fallen and then shoot the cache to destroy it.
- This will prompt you to see there are 4 Ether Caches in the are to be found
- Just after this, a Red Legion ship will come in and start dropping off Legionaries, Psions, and Kraug, the Undeterred.
- You will find Empyrean Marauders, Empyrean Vandals, and Empyrean Dregs.
- Mazan, Lost Captain will join in the fray toward the end of it.
- Throughout the encounter, 3 other Ether Caches will appear throughout the area.
- One will appear under the walkway.
- Another will appear in the remains of the shop nearby the crashed ship.
- The final Ether cache appears in the back right of Widow's Walk.