"I needed..." He realizes that Fenris means the problem with the Wardens and seems surprised. "That was... nearly three years ago? Hawke reached out to me because he was worried about the Wardens acting strangely."

And then they went to Fade, and fought a demon, and Stroud was left behind. It wasn't a happy memory.

"The last I saw of him, he was to Weisshaupt Fortress... Did something happen?" Fenris's tone causes Cyril some worry. He had liked Hawke, may even have become his friend if their paths had stayed closer to one another. He didn't like the idea that he might be in trouble.