The Scarlet Keep
From Destinypedia, the Destiny wiki
The Scarlet Keep is the Strike that was released with Destiny 2 Shadowkeep where the team of Guardians head into the mysterious fortress in order to stop to Hashladûn, Daughter of Crota's wicked plans, and eliminate her.
The Scarlet Keep Transcript
Fireteam defeats Hashladûn
List of appearances