“It was named for the fact that it keeps the wolf moving even after days of fighting,” she continued with a voice low as she folded the brittle paper back and forth. “It was used in the early thirteenth century during a war by the Bluefire Pack. A male werewolf, the healer of the pack, famed for his remedies, created it. The recipe he wrote down, but he used an unknown script, intending the secret to die with him.”

“The fact that he wrote the ingredients means he wanted someone to find it,” King Valtor countered. “But not easily, of course.”

“True,” Ivy admitted. “But according to what I heard,...