Greetings! This is a known issue and Bungie is investigating. The 2 new Throne World Grandmasters are not counting towards the triumph. [quote]Completions of the Birthplace of the Vile and Lightblade Grandmaster Nightfalls are not being counted for the Total Conquest Triumph.[/quote] via the [url=https://help.bungie.net/hc/en-us/articles/4416375175444-Destiny-2-Year-5-Known-Issues-and-Vital-Information]Year 5 Known Issues[/url]. Stay tuned to the [url=https://twitter.com/BungieHelp]@BungieHelp Twitter Page[/url] and the [url=https://www.bungie.net/en/News]TWAB[/url] for future updates!