User blog comment:Hermione Chase/"The Blood of Olympus" Expectations/@comment-4749365-20140928195239

The last clue has been released:

"That's my point." Percy said. "We don't know what's down there. I'm going with you."

"No." Annabeth put her hand on his arm. "If the giants want our blood, the last thing we need is a boy and a girl going down there together. Remember, they want one of each."