Final answer:
Curtis risks exposing vital secrets with serious implications, potentially causing significant damage, including the fall of Richmond.
Step-by-step explanation:
By "spilling his secrets with every sparkling snap of his fingers," Curtis risks exposing critical information that could lead to severe consequences. The secrets he holds appear to be of such importance that they have the potential to cause the fall of Richmond if they are revealed. Thus, the risk is not just personal to Curtis but has broader implications that could affect the fate of a city or cause significant damage to the group he is associated with. The language implies that these secrets could lead to the ruin of the people discussing Curtis, which indicates that the stakes are incredibly high.