@Eitu
One of the bows has a star pattern on it, so you might be correct in that assumption.
As for why Lau was observing "her", I think he might have been thinking how she reminds him of someone he knows - Finnian. I say that because I've been suspecting for a while now (like many others) that...
> "Filthy dwarves"
> People speculating the "enemies" could be elves
Ah, that explains why Mulus' ears are obscured by his hair. Also clarifies how he's proficient with a bow and knows about herbal mixtures, like a typical forest dweller would/should.
Polaris killed Agni, so that can't be his identity.
Madam Red wasn't a butler, so it's not her (but she could still be one of the others).
Joker was technically a butler, but he shouldn't care this much about Ciel.
Doll wasn't as tall as Polaris seems to be, and was also not a butler.
I was...