What is Mona's best constellation?

Could you please elaborate on what you mean by "Mona's best constellation"? Are you referring to a character in a game or fiction, where the term "constellation" might have a specific meaning or context? Or are you asking about astrology and which celestial grouping of stars might be considered the most beneficial or favorable for an individual named Mona? Clarifying the context and intent of your question would help me provide a more accurate and relevant response.