Epic meaning - Narrated in a grand style; pertaining to or designating a kind of narrative poem, usually called an heroic poem, in which real or fictitious events, usually the achievements of some hero, are narrated in an elevated style.

It's a 7 day quest that takes you through the history of that particular magic you are seeking.
Why 7 days you ask. Less stressful, less frustrating and no getting angry with a 1 day quest with around 70 questions.
Have fun doing it and the Reward will be yours at the end.