Memory: Nala

  Day 80 to 150: Nala's "Caravan" became a nightmare of wear and tear. She saw half of her group die from exhaustion. He learned that the Echoes are not cruel, but persistent; if you fall and cannot get up, they wait for you to die to join the group. She lost Amara, her sister, not to an attack, but to a simple fever. Seeing her sister get up minutes later to keep walking without recognizing her was what broke Nala.

  Day 150 to 250: Nala escaped from the caravan and joined the "Guardians of the Sahel," a confederation of tribes and ex-military. They have built the "Wall of Flesh," which is not a wall, but a strip of burned land and constant surveillance. They have established the Golden Rule: fire is the only funeral, and distance is the only medicine.

  [LOCATION: THE SAHEL BORDER - NORTHERN NIGER]

  [DATE: SEPTEMBER 7, 2020 - 18:00 WAT]

  [STATUS: DAY 250]

  The world ended at the black line.

  Nala stood on the rampart of a trench filled with smoldering acacia wood and coal. For miles in both directions, the "Fire-Belt" cut through the savannah. To the south lay the Free Zones—dusty, desperate camps of living humans. To the north was the "Hollow Land," where the silence was so absolute it felt like a predator.

  "They are late today," a soldier whispered beside her, gripping a modified spear tipped with magnesium.

  Nala didn't answer. She peered through her binoculars. On the horizon, the shimmer of the heat wasn't the only thing distorting the air. A line of figures appeared. The Caravan.

  They moved with that fluid, swaying gait that Nala now saw in her nightmares. Thousands of Echoes, walking in a perfect, synchronized column. Among them were the "Softs"—new captures from the southern raids, people who were still breathing but had lost the will to fight. They were being herded like cattle toward the deep desert, where the Nests were growing.

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  "They’re trying to cross at the dry riverbed," Nala said, her voice cold. "Signal the igniters."

  The Rule of Gold was simple: Nothing crosses the line.

  As the lead Echoes reached the edge of the ash-trench, they didn't stop. To them, the fire was just a variable in the terrain that needed to be neutralized. They began to step into the flames. They didn't scream as their feet charred; they simply used their own bodies to smother the coals, creating a bridge of carbonized flesh for the rest of the column to walk over.

  "Now!" Nala roared.

  Arrows dipped in fuel rained down, followed by the rhythmic thud of mortars. The fire-belt erupted into a wall of white-hot flame.

  Nala watched the carnage with detached horror. She saw an Echo that looked like a woman from her old village. The woman was on fire, her skin peeling back to reveal the shimmering, crystalline lattice beneath, yet she continued to walk forward, her arms outstretched as if trying to "tidy" the flames.

  "They don't understand death!" the soldier shouted, horrified.

  "They don't understand anything that isn't the Routine," Nala replied.

  The battle—if it could be called that—lasted an hour. The Echoes didn't retreat, but the fire was too intense. The "irregularity" of the heat was too great for their current optimization. Slowly, the column turned back, retreating into the shimmering haze of the north. They would be back tomorrow. Or the day after. They had all the time in the world.

  As the sun set, Nala walked along the trench. She saw a small shape lying near the edge of the fire. A child, perhaps seven years old, who had been part of the human "herd" and had died during the skirmish.

  The child’s hand was already starting to twitch. The tiny fingers were tapping the dirt in a 40Hz rhythm.

  Nala didn't hesitate. She didn't pray. She took a shovel-full of burning coal and dropped it onto the body. She watched until there was nothing left but gray flakes dancing in the wind.

  "Eight months," Nala whispered to the darkening sky. "In eight months, we’ve gone from people to fuel."

  She looked at her own hands. They were steady, but she knew the truth. Every person behind her, every survivor in the camps, was just a delayed Echo. The fire-belt wasn't a wall to keep the monsters out; it was a way to make sure that when they finally died, they wouldn't turn around and betray the ones they loved.

  The Great Severance was complete. The world was divided: the burning and the hollow.

  [FRONTIER LOG: SAHEL SECTOR 7]

  [STATUS: DEFENSES HOLDING]

  [CASUALTIES: 12 ACTIVE / 45 RECONSTRUCTED (NEUTRALIZED)]

  [FINAL NOTE: THE SURVIVORS ARE ADOPTING A PYRE-CENTRIC CULTURE. HUMANITY IS DEFINED BY THE FLAME.]