Rasputin/the warminds. they probably have been wiped before, though the 'dream of teeth' doesn't make much sense unless you compare it to the rest. we linked the rasputin to the remains of the colonies, despite us not knowing if it is helping us, and the lack of them have certainly hurt us. or it could be the prison of elders. house judgement certainly likes throwing the fodder of drakness against the light.