Book 1

Earth - Last Sanctuary

by Christian Kallias

Published 16 September 2015

Book 4


Book 5


Book 6

Shadows of Olympus

by Christian Kallias

Published 4 December 2016

Book 7


Book 8


Book 9

Into the Fire Part I

by Christian Kallias

Published 15 October 2017

Book 10

Into the Fire Part II

by Christian Kallias

Published 19 January 2018

Book 12

Unleashed

by Christian Kallias

Published 1 March 2020

Book 16

Atlantis

by Christian Kallias

Published 22 May 2023

Book 17

Asunder

by Christian Kallias

Published 22 May 2023