Hell's Foundations Quiver is a science fiction novel by American writer David Weber, the eighth book in the Safehold Series.

Merlin Athrawes is confronted by Aivah Pahrshan, who reveals to him her suspicions that he and Ahbraim Zhevons are one and the same and that she had been tracking his activities for several years now.

The Spanish portions of Saint Kohdy's journal are translated and the Inner Circle discovers previously unknown details about the War Against the Fallen.

To accomplish this, the command crew had sought to selectively reactivate his suppressed memories and in doing so had allowed him to remember his native tongue and fragments of his previous life on Earth.

However, the secret meeting of his loyalists at a secluded church in Zion is bombed by the Sisterhoods' agents (named the "Fist of God") with Merlin's help.

Despite attempts by the Dohlaran leadership to convince the Church otherwise, Clyntahn demands the extradition of all the Charisian prisoners for a huge auto-da-fé in Zion, with the intent to shore up the Inquisition's position in the eyes of the faithful.

In the aftermath of their presumed deaths, a deeply depressed Thirsk contemplates what he is likely to be forced to say in support of the Church's version (that his family died in a battle with Charisian ships).