Jaws Of Hakkon DLC
Jaws of Hakkon is the first downloadable content released for single-player in Dragon Age: Inquisition. Announced on March 23, 2015, it was initially released for the PC and Xbox One due to an exclusivity deal between Microsoft and EA on March 24, 2015. It was later made available for download on Xbox 360, PlayStation 3 and PlayStation 4 on May 26, 2015. Cost: $14.99 USD.Complete the War table operation; Investigate Frostback Basin to begin. This mission can be activated upon reaching Skyhold. However, if played after completing the main story, various decisions from the main game will be acknowledged and discussed. While the mission requires 8 power to start, note that, as with other DLC areas in DA:I, the difficulty of Frostback Basin will scale to the average level of your party when you first unlock it at the War Table.
The Descent DLC
The Descent is the second downloadable content released for single-player in Dragon Age: Inquisition. Announced on August 5, 2015, it was released on August 11, 2015, for PC, PlayStation 4, and Xbox One. Cost: $14.99 USD.Go to the war table in Skyhold (you can NOT access this mission in Haven) find the mission labeled Disaster in the Deep Roads. You must have power to complete it. There is no level recommendation. Requires 16 power to start.
Trespasser is the third and final downloadable content released for single-player in Dragon Age: Inquisition. Announced on August 29, 2015, it was released September 8, 2015 on PC, PlayStation 4, and Xbox One for $14.99 USD.Go to the War Room in Skyhold after the final quest to begin the DLC; from there complete the war table operation Attend the Exalted Council.
Note: Trespasser represents the end of the game. Activating the war table operation triggers a "point of no return"; you will no longer be able to travel to other areas via the World Map--including Skyhold--and you cannot do any quests from the main game or any other DLC, even after finishing the Trespasser content. However, all the items you've placed in your storage chest in Skyhold will be transfered to a new storage chest at the Winter Palace.