I really see no point in going Heaven Neptune now.
Ice Hera + Abyss Neptune + Yomi/Hera/Hades + Vamp Lord + Dark Swordsman + Ice Hera = sex.
Also, her #596 ID means there's at least 57 new monsters coming soon in the upcoming updates. Huge.
On a side note, this is the best Hera run I've ever done.