Many of the creatures here on the isle were at one point bound into non-aggression and complacency by our magical skills.  When the Scourge destroyed the Sunwell, our hold over these creatures shattered.  Arcane slivers are the remnants of the control we once had, and as such might be usable in fashioning a new device to aid us in regaining their control.$B$BBetter still, perhaps the slivers could be used to see what malaise the isle truly suffers under...