Merlin's Greatest Weakness Could Become His Greatest Strength. With the balance of power between the Druidow and King Uthur's court in sway, can Merlin find it in himself to overcome his past or will he bring Britain to its knees? When a meteorite crashes near a small village in fifth-century Britain, it brings with it a mysterious black stone that bewitches anyone who comes in contact with its glow---a power the druids hope...