Tasks go in - order, if an | exists it means you can do those in any order, but have to all be done to continue on to the end. If tasks aren't listed in a chain, they can be done at any time.

Expansion Progression Chain: A Rising Storm - Gathering Clouds - Clearer Skies | The Pellarus Satum - The Edge of Balance - The Absent Scholar - Just Recompense - The Cover of Night - Loyal is the Heart - Leave No Brother Behind - Two Sides of the Shield - The Sacred Profaned | Castle Relic - Crying for the Dead - Burden of the Past - An Endless Cycle - To Remake Eden - Fit for the New World - A Fickle Wind Blows - What Hate Begets - Deep Lies the Snow - Free Us From Ourselves - A Beginning From an End - All Rivers Lead to the Sea - The Cost of Balance - Confronting Calix
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Delving Deeper - An Immaterial World
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Delving Deeper - Shake the Citadel
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Delving Deeper - The Hands of Destruction
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Delving Deeper - Civilized Society
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Where It Hurts
Mercenary Quest Chain: Key to the Citadel - What Lies Above - The Hands of Rebirth
Mercenary Quest Chain: Key to the Citadel - What Lies Above - Research and Development