### Volume 2: Upper World

  **Chapter 3: The Heart Speaks**

  The ground under Sky’s boots pulsed like a living thing—slow, heavy, the heartbeat of the Upper World itself. The vines—sticky, barbed, red-pink—swayed around them, reaching like fingers every time he took a step. The sky above was split: one half deep, endless blue, the other a throbbing pink that bled into violet, colors swirling like oil in water. Demons crawled from cracks in the flesh-floor, red eyes glowing, claws scraping. Devils followed—taller, black-horned, wings tearing open with wet snaps.

  Kira walked beside him, sword resting on her shoulder, veins glowing faint red under her pale skin. She hadn’t said much since the others left. Just watched. Just waited.

  Sky felt it before he heard it.

  The second heartbeat in his chest—slow, deep, evil—surged.

  Pain hit like a fist. He doubled over, hands on his knees. Blood came up fast—thick, black-red, spilling from his mouth onto the fleshy ground. It steamed where it touched, sizzling like acid.

  Kira spun, sword up. “Sky—?”

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  He coughed again, more blood. The Heart spoke—inside his skull, voice like wet gravel, old and mocking.

  *You’re breaking, boy. Let me out. Let me play.*

  Sky’s vision tunneled. His body shook. The hum—his own will energy—fought back, blue-red sparks flickering at his fingertips, but the Heart was stronger now. Closer.

  He looked at Kira, eyes wide, blood dripping from his lips.

  “Run,” he rasped. “It’s taking over. Run. Find the others. Hurry.”

  Kira hesitated—sword trembling.

  Sky’s head snapped back. His eyes rolled white for a second. Then they came back—same blue, but colder. Sharper. Wrong.

  The Heart laughed—low at first, then louder, echoing across the pulsing ground. It wasn’t Sky’s laugh. It was deeper, older, crueler.

  Sky’s body straightened. Shoulders rolled. Knife at his waist glinted as he flexed his fingers.

  “It’s about time,” the voice said—Sky’s mouth moving, but not his words. “I’m free.”

  Another laugh—over and over, rolling across the vines, making the demons pause and stare.

  The thing wearing Sky’s body tilted its head.

  “Call me… Jane.”

  Kira took a step back, sword raised. “Sky?”

  Jane grinned—wide, too wide. “Not anymore.”

  The demons charged—hundreds, thousands, red eyes blazing.

  Jane clapped once.

  The sound cracked like thunder.

  Four hundred million demons died in the instant—bodies bursting into black goo, wings shredding, claws crumbling. The ground drank the mess, veins pulsing faster.

  Four hundred devils followed—taller, smarter—vanished in the same clap, gone like smoke.

  Jane lowered his hands, still smiling.

  The remaining demons scattered—running in every direction, some diving into cracks, others fleeing toward the horizon.

  Jane looked around, amused.

  Yuka appeared then—stepping out from behind a massive vine-tree, coat immaculate, smile calm as ever.

  The demons that hadn’t fled yet bolted faster.

  Yuka tilted his head.

  “Hmm. Kid?”

  Jane turned, eyes glinting.

  “Oh yeah. Definitely.”

  Yuka’s smile widened just a fraction.

  “Jane?”

  The chapter ended.

  To be continued…