When an ancient barrier protecting the world from demons begins to fail, young Augur Davian must embrace his powers.

Until twenty years ago, Andarra was ruled by the Augurs, who had various powers including precognition and time manipulation.

The Tenets are a magical contract which limit the abilities of the Gifted; they must obey orders from Administrators and may not use Essence to harm others.

Asha becomes Tol Athian's Representative to the Northwarden Elocian Andras, brother of the king and leader of the Administrators.

Caeden, in his past lives has been trying to take the sword for centuries; he eventually erased his own memories and planned a pathway to lead him to Licanius.

Davian leaves Ilin Illan to join Tol Shen, where he will work with other Augurs to repair the Boundary.

Within a year of self-publishing, Islington signed a deal with Orbit Books to publish a physical copy.

[2] A reviewer for Tor.com enjoyed the worldbuilding but criticized the lack of narrative tension, stating that the novel "offers a great deal of promise" but "is ultimately very uneven".

[3] Kirkus Reviews stated that although the premise was unoriginal, the books was a "promising page-turner from a poised newcomer".