Quote Originally Posted by dynus View Post
Fandaniel came up with the name. Mostly to be extra.

What is different between them and normal primals is that they can't temper people, as that power was given to the towers specifically. Beyond that, there's not much of a difference. Like KageTokage said, they were probably being faithful to the orginal design of the Magus Sisters.
Most likely. Also I feel like the 'lunar' thing was brought in just to touch up the models to be more fresh. Since the Magus Sisters are new to the game, they went with something more faithful rather than a lunar version when they had no baseline.