Sunspire Mountains where to find the missing piece of the puzzle

At his heel was a bolt of light, a silver shadow and some barbed creature who moved too quickly for Sivugat to see clearly; but he had bolted among the trees when they had come, bludgeoning the path as he made his way, and all but fell from one ledge to another, until he came to rest on a hill of rock and fern.

He was panting hard. Each inhalation brought stabbing pain to his side. There beneath his layered furs sat a tear in the skin, well placed, deep, and seeping blood. The boy struggled to his feet again and tried to move on - knowing he should not stop if he could help it - and as he came around a bend he was abruptly faced with a compliment of wolves.

A shout, a snarl; a giant of white moving sharply towards roaring man, while beyond them both was another shadow. Sivugat's attention shot to the white shape first - he knew them all, but Nyra stood out in the moment. White fur, white teeth, white hot rage, aimed away from him - at a one-eyed man.

Merrick?