User blog comment:CardMaster2412/Seven Half Bloods Parent and Identities/@comment-1636709-20110828235453

I still think the seventh will be a new demigod with powers like Leo or Piper, powers that are rare amongst their kind. Percy and Jason are leaders, we don't know about Frank or Hazel........I either see a new demigod from either a minor god, or perhaps Artemis/Diana or Hestia/Vesta. I don't know why, but a surprising demigod is the best kind. Nico was, after all