User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-10901795-20130617155236/@comment-3146930-20130617194058


 * 1) Paris and Helen loved each other too
 * 2) Leo was the one that blew up Camp Jupiter
 * 3) No one seems to know Nico is a son of Pluto (it never comes up, as Nico left before they learned Percy was Greek and was captured during The Mark of Athena)
 * 4) See reason 2