Why does the server need this boss?
Something that's a bit more universal, being quite agile and moderately effective.
It could also be a boss for beginners; once they've play as this boss for a while, it could lead them to be more familiar with what boss they really want to play as,
"Maybe i should be faster." Thus, leading the to Ephi, then maybe Mocheeze.
"I need to do more damage." This could lead them to Rotondo/Badspot, the maybe Dark Samus.
Or they could keep playing as this boss, getting more skilled from it and making it more effective for the player.
It'd basically be like the midway boss in between all the bosses.