To acquire the initial quest for this DLC, you must go to the War Table and complete the mission ‘Investigate Frostback Basin’ (requires 8 Power), found in the south west corner of the Kingdom of Ferelden map.
Note: Upon completing Investigate Frostback Basin, you will have the option to travel there immediately. Once there, you can begin the rest of the quest line by speaking with Professor Kenric.
This guide for Dragon Age: Inquisition offers a detailed walkthrough of the main story and all side quests associated with each region, detailing easily missed features and hidden lore secrets along the way. The guide also covers all three main DLC: Jaws of Hakkon, The Descent, and Trespasser, and all dialogue choices throughout the game.
Inside this guide you will find:
Coming Soon! A detailed Character Builds section with coverage of all classes, skill trees, recommended armor, weapons, consumables, and much more!
A Walkthrough for all main story quests, detailing the consequences of your choices along the way.