The The Taken King Add-on for Destiny has 10 trophies - 8 bronze and 2 silver.
Complete "The Old Hunger" quest.
Complete the "Echoes of Oryx" quest.
Complete the King's Fall Raid (Heroic).
Complete the King's Fall Raid.
Complete "The Court of Oryx" quest.
Complete "The Wolves of Mars" quest.
Complete "The Taken King" quest.
Complete "The Stormcaller's Path" quest.
Complete "The Nightstalker's Trail" quest.
Complete "The Sunbreakers' Challenge" quest.