From publisher blurb: “In the depths of the Zone, an enormous and strange ruin rises through the zone smog…” Welcome to the Doom Sphere, a dark and grim mysterious place of utter decay, where once the Ancients gathered in number to witness spectacles and feat. Now a gargantuan desolate place, haunted by spectres of the past… A place that other stalkers take every effort to avoid… This exciting new supplement takes players into a far and grisly part of the Zone, where more horror awaits and more mysteries unravel…