Hey there, The Taken War Heroic Strike playlist is currently displaying an incorrect tooltip. This playlist does not grant Legendary Marks.[quote]Taken War Heroic Strike does not reward Legendary Marks: With the release of Destiny: Rise of Iron, players who do not own Rise of Iron may continue to access the Taken War Heroic Strike Playlist. We are aware of an issue where this activity shows Legendary Mark Rewards on the in-game tooltip.[/quote]Quoted from: https://www.bungie.net/en/Forums/Post/213318340?page=0&sort=0&showBanned=0&path=0