In Book 3 of the Chronicles of Issraya, Tilda and the other mages of Ring Isle have a problem that could threaten their very existence. For the first time in their history, the powermages have in their possession silviron that's been tainted with dark power, perilous to keep on Ring Isle or to exist anywhere in the world where someone could encounter it. The mages decide to put the tainted silviron in a small metal...