I hide waiting... Once you see my kin it is too late. For we both come will after you with blades of glass. and you should meet your final fate. But if you survive there is great treasure though you might not see It is not me or my kin but the man upstairs who holds the key...
ok its been 2 months and no one has answered this, so kudos to Moody422 for the really good riddle, and to get this topic rolling again, heres an easier one.