User blog comment:Hermione Chase/"The Blood of Olympus" Expectations/@comment-10806824-20131010122621/@comment-5423251-20131010174354

Well by the greek mythology math, there are 12 gods, 12 titans and 12 giants.So if by what we knew from The House of Hades, most of the giants get out of Tartarus.So if Clytius was defeated after the Doors of Death were closed, so there are 11 giants remaining.If some luck, Alcyoneus will not come back because of the whole complicated ritual to him come back. So i bet in 11 giants