Indeed, it is only human for these events to shake them, but saying they are "broken", considering the tribulations they've endured in the past, is practically an insult to their inner strength.

Even before he came onboard the Chalice, Cheng had survived in the hellish military state that Gucun once was, and is now dangerously slipping once again into. And Devon was part of the team tasked to battle against the Shifting Entities.

[Trust him, he's a historian.]