https://www.polygon.com/2018/9/25/17903098/destiny-2-forsaken-dreaming-city-secrets-wishender-malfeasance-exotic-quest

After four weeks in Destiny 2: Forsaken’s Dreaming City location, secrets are finally beginning to pour out. Each week following the completion of the Last Wish raid, the city has gotten more and more corrupted — filled with Taken enemies. But this week, players have already discovered some serious secrets around the galaxy.

The Dreaming City now has a secret dungeon located in The Confluence, under the Blind Well. The Shattering Throne dungeon takes players into the Ascendant Realm, and pits them against several different encounters, including bosses. The rewards for completing each step of the quest are powerful drops — meaning they’ll increase the player’s light level significantly.