They would have to be VERY rare, and come in small numbers. IMO, the first unit is unnecessary, as guardians are much smaller in number than many people believe. I think that it should just kind of be that one species that hardly ever appears, but when it does, you're pretty much dead.
English
-
But thousands died on the moon could assume there's hundreds at least on earth and Venus.. Mars maybe not as much as only recently we've been on mars
-
That's not as much as you think, I've killed over 150,000 fallen, that in itself is nearly lore-breaking, if I were to kill that many Lost, that would be far more guardians than there have ever been.
-
I made and edit that discusses what you bring up. It's at the bottom. Also the zero her would be of an inferior guardian, one that has not been honed in light yet, and isn't quite worthy to be brought back as any of the other classes