Mountain, an ancient entity that lead the infant clergy to what they call home now hundreds of years ago
Also Mountain: he he, I'm the little drummer boy
if Darius ever starts seriously dating post-canon, i imagine that Eber would give the shovel talk, but it is a typical cartoon shovel talk that can be played for laughs: Oh, Eber is just protective even if a little scary.
But then Raine gives the shovel talk too, and they are very polite, but it is understood that they would actually kill if necessary.