In the third book of the Sister Verse, Diana and her party must journey to the forgotten wasteland of the fallen lobe, and recover the mythical Crown of Eyes, and with it, her memories. Meanwhile, the allied nations march upon Lao-Va, and Singer must lead a daring expedition into the writhing Elder World before all of creation falls to the darkling scourge.

This book contains scenes of violence that may be unsuitable for some readers.