The Black Diamond and the Mark from the Source

The Potent Four begin their junior year at Word University, still reeling from their encounter with Evelindrith, but there's no rest for the Wickons! The boys' powers start to uncontrollably swap, causing much consternation amongst the group.

And if that's not trouble enough, a tricky fellow shows up on their doorstep to deliver a dose of bad news: The exorcism of the demon cased a fracture in the very nature of magic itself that only they can fix!

Can they trust this mysterious new player? While this is going on, Omar begins to distance himself from the brotherhood. What-or who-is behind this new direction? And will the Potent Four be able to overcome the mounting complications in their lives to heal the rift in magic, using each other's powers? It's a supernatural switcheroo with the world at stake!