Forbidden Under the Blood Moon
On the one Selene had found, the bone curved to the right, harsh and bent, like a hook.
"Mirrored," Maelis whispered.
"Someone copied it. Or twisted it." I turned the two rings over, and my skin crawled. "The circle's mark was meant to protect. Corvyn's wolves took it and turned it backwards."
"That is why the old Keeper's circle never spoke of Corvyn," Maelis said. "They would never have worn the wrong ring."
"Then the real circle did not betray us."
"Not all of it." Her face crumpled. "But somebody did. The song lived in only four mouths, Wren. My mother was the last of them. She either took it to her grave, or she taught it to someone else."