In a realm where the treacherous seas intertwine with the mysteries of ancient mythology, Marco Karta, a warrior outcast from the mythical city of Atlantis, is cast ashore to clash with a horde of Nephilim outside the enigmatic Van Helsing Manor. Imprisoned by Tars Van Helsing, a scholarly underling of monster cataloging, Marco's path converges with Sonya Thoris, a fierce captive warrior. Together, they forge an uneasy alliance to quell a sudden surge of mythical sea and land creatures, embarking on a perilous journey against insidious curses, rival pirates, and the shadowy malevolence of Echidna, a sinister force weaving its dark web across the realms.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.