In the Distant Glory chapters, you can recieve "Lore" accessories, which can be used to buy the ability to equip equipment that you could originally not use. You can play as whatever character you like for this story. After completing it you will unlock access to Gabranth, whom you can buy in the PP store for 1000PP. Also you unlock the Battle Theme " Fight to the Death " for 500 PP in PP store. To unlock it you must complete Shade Impulse and all Destiny Odyssey stories.