Any Incarnation is capable of becoming a Constellation. Just as any story, whether it be a myth or history- everyone has the potential to become a Constellation with enough stories and qualifications.

[ His head tilts. ] Though I know the best path, some ideal results for scenarios... that does not make me "god." The Star Stream is what controls the scenarios inevitably, even if I help guide my companions and me through them- that doesn't necessarily mean we have the ways to clear it if we aren't prepared enough.

[ Another smile. ] A Constellation is still capable of being killed. I am not immortal.