Diffusion. Lost Colony, #6

Diffusion: A Thrilling Urban Fantasy Adventure In the heart of a dark and gritty Brooklyn, magic and technology collide. Anya, a woman who walks through walls, and her brother Oliver, a master of illusions, find themselves thrust into a hidden war. A shadowy organization called the Fedorans hunts magic users, and Anya's family is in danger. Anya's telepathic connection with her FBI agent boyfriend, Mark, leads them to a crime scene where a member of Anya's race has been murdered by the Fedorans.
They discover a new weapon and a hidden conflict - a war raging beneath the surface of the city. Joining forces with Mark and the FBI, they chase the Fedorans through a hidden network of tunnels beneath the city, encountering dead ends and escalating dangers. Their pursuit leads them to a deserted subway station and a forgotten train with a connection to a mysterious entity - the Crannions. The train propels them through a warped dimension, depositing them in a devastated wasteland.
A desolate New York City filled with scavengers and strange creatures emerges. Anya, Mark, Oliver, and Harry must fight for survival against spectral beings known as "wind ghosts" that draw on a hidden power source. United with the scavengers, they confront the source of the ghosts and liberate the city. Back in the functioning world, they find refuge in the Substation, a haven protected by Anya's father, Brandon, a brilliant scientist. The Fedorans and a powerful witch named Akio, with motives shrouded in secrecy, threaten the Substation.
Anya, Oliver, and their allies fight back, uncovering a stolen package coveted by the Crannions and a plot that could destroy the city. Their desperate struggle takes them to the heart of the Crannion dominion - the Hypogeum Basement.  Through cunning and teamwork, they bypass the security measures and find themselves in an unsettling, physics-defying chamber. The battle lines are drawn as Anya, her family, and allies face off against the Faceless Men and the threat of nuclear devastation.  Forced to make a difficult choice, Anya risks her own well-being to prevent a city-wide catastrophe. But the war is far from over.
A tear in the sky to the VERUM-VERSE opens, unleashing a new and even greater threat.  Will Anya, Oliver, and their allies be able to overcome this new challenge? Diffusion is a gripping urban fantasy adventure filled with magic, technology, suspense, and thrilling battles. It's a story about family, friendship, and the fight for survival in a world where the line between reality and the unknown is constantly blurred.