User blog comment:Hermione Chase/"The Blood of Olympus" Expectations/@comment-25044056-20140621205520/@comment-3146930-20140621235042

Well let see:
 * Jason killed Enceladus
 * Hazel and Frank killed Alcyoneus
 * Percy killed Polybotes
 * Jason and Percy together beat Ephialtes and Otis
 * Hazel defeated Clytius

That leaves Leo, Piper, and Annabeth without a Gigantes kill to call their own.