https://www.polygon.com/2017/9/13/16305130/destiny-2-leviathan-raid-completed-worlds-first

Destiny 2’s raid, Leviathan, has been conquered for the first time, developer Bungie announced today.

The honor of the world’s first completion went to a fireteam from The Legend Himself, a clan on PlayStation 4. That’s the same clan of Destiny pros that came close to notching the first completion of Wrath of the Machine, the raid from Destiny: Rise of Iron. You can watch the last moments of their battle with Leviathan’s final boss in this clip from Twitch — as long as you don’t care about raid spoilers, of course: