User blog comment:Shadewing/Who is the fourth apprentice?/@comment-24126795-20110718002741/@comment-3570123-20110718020910

I really can't see Sol being it, he's not a Clan cat. Heathertail maybe, and Ivypool's in the Dark Forest. I'd like to say it's Hollypaw, but if she was it why wouldn't they say that in POT?