Characters in A Kingdom of Flesh and Fire

Casteel Da'Neer

Prince of Atlantia, who posed as the royal guard Hawke Flynn and is the figure Solis calls the Dark One. Plans to marry Poppy to trade for his brother's release.

Also in The Crown of Gilded Bones, The War of Two Queens, A Soul of Ash and Blood, The Primal of Blood and Bone, The War of Two Queens (1 of 2) [Dramatized Adaptation], The War of Two Queens (2 of 2) [Dramatized Adaptation]

Penellaphe "Poppy" Balfour

The former Maiden of Solis, taken to Atlantia as a captive and bargaining chip, whose awakening powers and true parentage drive the book.

Also in From Blood and Ash, The Crown of Gilded Bones, The War of Two Queens, A Soul of Ash and Blood, The Primal of Blood and Bone, The War of Two Queens (1 of 2) [Dramatized Adaptation], The War of Two Queens (2 of 2) [Dramatized Adaptation]

Kieran Contou

Wolven bonded to Casteel from birth, Poppy's constant guard on the journey to Atlantia.

Also in From Blood and Ash, The Crown of Gilded Bones, The War of Two Queens, A Soul of Ash and Blood, The Primal of Blood and Bone, The War of Two Queens (1 of 2) [Dramatized Adaptation], The War of Two Queens (2 of 2) [Dramatized Adaptation]

Eloana Da'Neer

Queen of Atlantia and Casteel's mother.

Malik Da'Neer

Casteel's elder brother, held by the Ascended; securing his release is Casteel's aim.

Also in The War of Two Queens

Ian Balfour

Poppy's brother, whose fate she is trying to learn.

Also in From Blood and Ash