The Shattered Throne

"Strike back at the curse that plagues the Dreaming City."
 * -- In-game description

The Shattered Throne is a dungeon released in Destiny 2: Forsaken. Three weeks after Riven placed a curse on the Dreaming City, granting one last wish to Savathûn who wished for the City to be Taken, Sedia instructs the Guardian to enter Eleusinia (Mara Sov's throne world) now that the Blind Well has opened the gateway. Within the Shattered Throne, the Guardian must destroy whatever evil has corrupted it, later revealed to be Dûl Incaru, the Eternal Return, a powerful Hive Witch and daughter of Savathûn.