Infinite Dendrogram Novel Volume 19 was written by Sakon Kaidou and illustrated by Taiki.

Death Period settles into their new home in Gideon, the City of Duels, as the Tournaments are about to begin. Many powerful Masters have gathered from all over for the right to challenge a special UBM...but in a strange twist of fate, Ray Starling finds himself up against an opponent that even Altar’s Superiors would hesitate to fight!

Meanwhile, Sechs and his Illegal Frontier begin their plan to break out of the gaol, setting off a cascade of consequences that will ripple throughout the world.

Will Ray emerge victorious? Will Sechs’s unthinkable plot succeed? Or might this escalating chain of events cause something even worse, as the Overlord of Dreams’ slumber becomes uncomfortably restless...?