The quote humorously suggests that a vampire slumber party is considered the ultimate in safety measures. It highlights the irony of a scenario that seems inherently dangerous, as vampires are typically associated with threats rather than safety. This juxtaposition creates a playful tone, showcasing an unexpected perspective on what it means to be safe in a supernatural context.

In the broader narrative of "Eclipse" by Stephenie Meyer, moments like this serve to deepen character relationships and add depth to the story. The humor in such a quote reflects the dynamics between characters and their ability to find safety in their unique situations, even in the presence of danger. This blend of humor and suspense is a signature element of the series.