I'm writing a fantasy novel that takes place on my own created planet. In the skies, there are pieces of floating land where people go after they pass on. It's a perfect and beautiful place where the creators, the king and queen, rule. At the beginning of time, the rulers created Guardians when they created mankind. These Guardians were designed to protect and fight. Each person has their own Guardian, but the Guardians only show themselves when the person would understand their purpose. Some people first meet their Guardians as young ages, and some don't see them until they are even at adulthood. I'm stuck on a few things here. I need a name for the floating lands where the Guardians come from. I have been using the name Tutorum Sanctum (for Sanctum of Guardians) but I'm not sure if that fits. I also need some kind of title for the person under the Guardian. For example, a Master and Servant. Since I have the name Guardian, I just need a title for the person. In this case, the human would fit the Master better and the Guardian would be the servant. Also, I'm not sure if I should make the Guardians only visible to their own "master" (I'll use that word in this case) or if I should make them visible to everyone. Or even allow them to have the option to do both, to be invisible to everyone but that one person, and also to be visible at times of fighting with a crowd. If anyone here has watched the anime Blood +, it's slightly similar.