Chapter Twenty-Four Underground, Praha 1 Purity knew they were coming. They had to move now. As soon as Aviary pressed down on the implant in the palm of her hand—disabling nearby Purity carbines—Olesya stepped out from behind the train in her new Purity uniform and armor. Warning lights in the access tunnel throbbed red, painting the soldiers crimson, and through the orange visor of her Purity helmet, everything around Olesya—from the carriages loaded with cargo to the tunnel’s curved ceiling—became an even more vivid red. She rushed alongside the carriages, firing her suppressed Balerinka and dropping two soldiers. ‘Spear lockdown!’ Aviary yelled. Ahead of them, the blast door was closing. They had a lot of ground to cover. Between the red pulses, the tunnel was dark, except for

