Herald's Holdfast was a spellguarded library complex that belonged to the Heralds of Faerûn and was their primary repository of heraldic lore, history, genealogy, and artifacts from nearly all the humanoid races native to Faerûn. It was the greatest library in the North, surpassing even the Vault of the Sages in Silverymoon, and was also the residence of the High Herald Old Night.