I've been thinking about the direction in which the GW2 story is heading and I wanted to share my thoughts with readers, for better or for worse.
As you may know, I've long theorized that the event referred to by Northern Tryian human historians as "the Exodus" was a spell, cast by Lyssa. In my opinion, given the events of Chaos Theory, the spell displaced those whom it affected, from the region of the Crystal Desert, north-west, forming the region that the Apostate's map calls "Thyria". I think that this region is that to which the Guild Wars Prophecies Manuscripts refer, geographically defined as "[t]he Tarnished Coast in the west to the Bay of Sirens (now called the Sea of Sorrows) in the south....the far eastern reaches of the Crystal Desert to the Giants’ Basin on the northern coast of Kryta".
It is my belief that the Elder Dragons are attempting to counter Lyssa's spell. In my opinion, Lyssa is a spirit of time, dwelling within the the sphere of influence over which Kralkatorrik held sway (time). Although I can't yet construct robust reasoning for my conviction, I nonetheless feel that Glint's legacy, which affects time, has a pivotal part to play in this process.
Now onto the wild speculation. I believe that Lyssa cast her spell during the Great Battle of the Gates of Heaven. The conflict between the gods was so traumatic that it threatened to destroy the entire planet. So Lyssa cast her spell to try and buy everyone more time to resolve their differences. (These differences manifest as many things. But the most immediate form they take is tormented magic). But this came at great personal cost. Either due to the casting of the spell, or possibly an injury inflicted by a fellow god, Lyssa was injured. As she lay dying, then, the spell was cast.
Lyssa poured what was left of herself, her lifeforce, into the Exodus spell, essentially becoming a part of the new reality in which Northern Tyrians live. This manifests in a number of ways, all of which involve chronological aberrations. For example, no one can find origin stories of Lyssa.. Northern Tyrian history "resets". Northern Tyrians' timekeeping practices are unusual; they rely on the Mouvelian Calendar (all of the Guild Wars books reference the calendar), a human way of marking the passage of time, even though their are at least four other races capable of producing timekeeping records of some kind. Furthermore, timekeeping practices among Tyrian humans differ wildly. Dynastic Reckoning was developed by Elonian human scholars; the Canthan Calendar is used by Canthan human scholars. Although it is possible that the Mouvelian Calendar looks to Tyria's sun as the most accurate timekeeper, this may not be the case. It suggests that, however time is passing within the reality that we know of as "Thyria", it isn't determined by something that other isolated populations - Elonians and Canthans being just two examples of these - find compelling enough to look to for their own chronological reckoning.
Anyhow, I believe that part of the dragons' work is to recover Lyssa's form. I believe that, although the goddess's essence forms the fabric of Northern Tyrian reality, she can still be discerned. Hence, in Path of Fire, Kormir refers to Lyssa as though the latter is still whole. However, the goddess's lifeforce is scattered throughout Thyria and the only way to save her is to reconcile the pieces of her by purging the magical elements, upon which she drew when she cast the Exodus spell, of their tormented magic. Presently, the Elder Dragons are closer than ever to doing this and Jormag, as their leader, is prepared to use any and every means necessary to see the dragons' work of countering Lyssa's spell completed. Thus, all of the Elders are working together, some even sacrificing themselves (Primordus), to help Jormag save Lyssa from complete annihilation.
I believe that Balthazar's "Plan B" was to be absorbed by the Elder Dragons in order to use their powers to help him trace Lyssa's form. As I see it, Balthazar didn't curse Lyssa out of respect for the memory of her selfless sacrifice.
This brings me to my thoughts on the Fractals of the Mists. I theorize that the Fractals may be the memories of one of the human gods, or perhaps all of the human gods, that collectively form a chronological ley-line (i.e. a timeline) of Lyssa's essence. Sunqua Peak may be an "encrypted" memory that reveals the true target of the Fractals: Lyssa. This Fractal coincides with the current state of Thyria, indicating to us how close the Elder Dragons are to restoring Lyssa to her family. Hence, the cries, "I can't bring her back!" and "I couldn't save her!" are ultimately uttered by Dwayna, referring to the loss of Lyssa at the Great Battle. I think that Dwayna and Abaddon were Lyssa's parents.
I'm not sure why Jormag and the Deep Sea Dragon are squaring off, but it's possible that the traumatized magics of the terrestrial and aquatic biospheres, both of which were present at the Great Battle at the Gates of Heaven, have been unwilling to resolve their differences because the process is too painful for them. Hence, the Elder Dragons are positioning these tormented magics into an unavoidable situation in which they must face each other and finally put away their long-standing grudges. Only then will it be possible for the Elders to restore Lyssa's form, reverse the Exodus spell, and return the Crystal Desert to it's former glory.