Home / Sci-Fi / Zavier's Guide to Not Being Eaten / Chapter 4: Rule Number 14: Cardio is King
Chapter 4: Rule Number 14: Cardio is King
Author: Narash NZ
last update2026-09-10 11:29:03

Chapter 4: The Great Suburban Cardio Trial

"Fair," Zavier whispered. "Totally fair."

"Less talking, more running! Now!" Maine’s voice cracked like a whip.

She didn't wait for a reply. She grabbed the back of Zavier’s tactical vest and hauled him toward the loading bay door. Behind them, the hum of a thousand throats unified into a singular, bone-chilling roar. The shadows at the back of the warehouse didn't just move; they surged forward like a tide of rotten meat and broken limbs.

"The side door! The side door is a bottleneck!" Zavier shrieked, his legs pumping with a sudden, terror-fueled burst of energy. "The app says if we hit the residential street, we can lose them in the alleys!"

"If we make it to the street!" Maine yelled back, her cleaver held tight as they burst through the exit and into the blinding morning light. "Why are they so fast? Zavier, why are they sprinting?!"

"I don't know! Maybe they’re the 'New Year, New Me' crowd!" Zavier wheezed, his heavy backpack thumping against his spine with every stride. "App! Why are they fast? Give me a lore drop or something!"

His phone, strapped to his forearm in a 'tactical' sports sleeve, chimed with a cheerful, synthesized bell.

[ Analysis: These are 'Sprinters' (Class-2 Shamblers). ]

[ Note: They have high glucose levels from a lifetime of corn syrup. Think of them as caffeinated corpses. ]

[ Survival Tip: You don't have to be faster than the zombies. You just have to be faster than—wait, there are only two of you. Never mind. Run for your life. ]

"I hate this thing! I hate it so much!" Zavier screamed as they rounded the corner of the warehouse, skidding onto a paved suburban street. "Maine, look! They’re coming out of the loading docks like a swarm of angry hornets!"

"Don't look back! Looking back is for people who aren't about to be lunch!" Maine grabbed his arm, steering him over a low picket fence into someone’s perfectly manicured front yard. "Through the gardens! Use the obstacles!"

"My tactical shovel is snagging on the rosebushes!" Zavier cried, stumbling as a thorny branch clawed at his hip. "This is property damage! I’m pretty sure this is a felony!"

"The apocalypse is a felony, Zavier! Keep moving!"

They scrambled over a second fence, landing in a backyard equipped with a swing set and a Weber grill. Behind them, the first of the Sprinters—a man in a shredded 'World’s Best Dad' shirt—leapt over the first fence with terrifying, animalistic grace.

"He’s gaining! Dad-Zom is gaining!" Zavier yelped, his breath coming in ragged, burning gulps.

[ New Event Triggered: The Cardio Gauntlet. ]

[ Objective: Maintain 'Extreme' heart rate for 180 seconds. ]

[ Reward: 'Second Wind' Stamina Boost. ]

[ Current Progress: 12/180 seconds. ]

"Three minutes? I can't run for three minutes!" Zavier wailed. "I get winded opening a bag of chips!"

"You’ll run for thirty minutes if it means not getting your throat turned into a sourdough starter!" Maine shoved him toward a narrow gap between two houses. "Go! Through the side-yard! I’ll slow them down!"

"Maine, no! Don't do the heroic sacrifice thing! It’s a trope! People die in tropes!"

"I’m not sacrificing myself, you idiot! I’m using physics!" Maine skidded to a halt by a large, heavy plastic trash bin. With a grunt of effort, she kicked it over, sending a week’s worth of suburban waste spilling across the narrow concrete path.

The Dad-Zom hit the slick mess of banana peels and wet coffee grounds, his feet flying out from under him. He crashed into the brick wall of the house with a wet thud.

"See? Tactical trash!" Maine caught up to Zavier, her face flushed a deep, alarming red. "Now move! What’s the timer say?"

"One hundred and forty seconds! It feels like an eternity!" Zavier checked his phone, nearly tripping over a garden gnome. "Why is the neighborhood so long? Why did everyone need such big yards?"

"Stop complaining and start climbing!" Maine pointed to a six-foot wooden privacy fence. "Boost me up, then give me your hand!"

"Right! Teamwork! The foundation of survival!" Zavier interlaced his fingers, creating a step.

Maine stepped into his grip, vaulted upward, and caught the top of the fence in one fluid motion. She rolled over the top and disappeared.

"Maine? Maine, don't leave me with the Dad-Zom’s friends!" Zavier scrambled at the wood, his fingers sliding off the smooth slats.

"Reach up, you big baby!" Maine’s hand appeared over the rim, grabbing the strap of his backpack and hauling him upward with terrifying strength.

Zavier flopped over the fence like a landed fish, crashing into a pile of mulch on the other side. "I’m hit! I’m down! Tell my mom I died doing something... vaguely productive!"

"Get up! You’re fine! It’s just cedar chips!" Maine hauled him to his feet by his collar. "The street is clear for a block. Run!"

"Wait, look at the app!" Zavier held his arm out as they sprinted down the sidewalk of a quiet cul-de-sac. "The timer is glowing! Sixty seconds left! It says 'Stamina Boost Imminent'!"

"Is it going to give you a jetpack? Because we really need a jetpack!" Maine glanced back.

At the end of the street, more figures were emerging from the alleyways. It wasn't just the warehouse crowd anymore. The noise had acted like a dinner bell for the entire neighborhood. A woman in a bathrobe, a teenager with a skateboard still clutched in a dead hand, and a mailman were all converging on their position.

"It says 'Biological Optimization'!" Zavier panted, his vision starting to swim with dark spots. "Forty seconds! Maine, I think I’m going to puke! Is puking a tactical maneuver?"

"Only if you aim for their eyes! Keep your head up! Focus on that blue house with the open garage!" Maine pointed halfway down the block. "If we can get inside and get the door down, we can breathe!"

"Thirty seconds! Come on, you stupid app! Give me the juice!" Zavier’s legs felt like they were made of lead and wet cardboard. Each step was a battle against gravity.

"They're getting closer, Zavier! Don't look, just run!"

The mailman-zombie was surprisingly fast, his heavy boots thudding rhythmically on the asphalt. He was less than twenty feet away, his jaw hanging at a crooked angle, his satchel full of undelivered bills flapping behind him.

"Ten seconds!" Zavier screamed. "Nine! Eight! I can't feel my toes! Everything is cold!"

"Five! Four!" Maine was neck-and-neck with him, her teeth bared in a snarl of pure effort.

[ 3... 2... 1... ]

[ STAMINA BOOST ACTIVATED: 'The Adrenaline Lie'. ]

Suddenly, the burning in Zavier’s lungs didn't disappear, but it moved to the background, muffled like a radio in another room. A surge of artificial warmth flooded his thighs. His vision sharpened. The 'Professional Coward' felt a sudden, frantic urge to move faster than humanly possible.

"WHOA! I HAVE THE POWER!" Zavier bellowed, his voice hitting a heroic octave.

He didn't just run; he accelerated. He surged past Maine, his tactical backpack bouncing wildly.

"Zavier? What the—? Wait for me!" Maine shouted, stunned by the sudden burst of speed.

"I am the wind! I am the tactical hurricane!" Zavier reached the driveway of the blue house in seconds. He dove toward the open garage door, his body skidding across the concrete floor like a baseball player sliding into home. "Get in! Maine, get in!"

Maine dove in right behind him, her boots sparking on the threshold. She scrambled for the wall, her eyes searching for the control panel. "Where’s the button? Where’s the damn button?!"

"There! By the door to the kitchen!" Zavier pointed, still vibrating from the 'Adrenaline Lie'.

Maine lunged for the button and slammed her palm against it. With a mechanical groan, the heavy metal door began to descend.

Rumble. Rumble. Rumble.

Outside, the mailman-zombie reached the driveway. He didn't slow down. He threw himself forward, his fingers clawing at the concrete.

"It’s too slow! The door is too slow!" Zavier scrambled backward, fumbling for his folding shovel. "Come on, come on, close!"

The door was three feet from the ground. Then two.

THUD.

The mailman’s head and shoulders slammed into the descending edge. The safety sensor tripped. The door hesitated, the motor humming in confusion.

"No! No, no, no! Don't go back up!" Zavier shrieked. He lunged forward, throwing his entire body weight onto the bottom of the door. "Maine, help! Force it down!"

Maine joined him, both of them pressing their weight onto the metal handle. The motor screamed in protest, gears grinding with a sound like a blender full of rocks.

"Override it!" Maine yelled. "Zavier, use your shovel! Jam the sensor!"

Zavier shoved the blade of his folding spade into the track, bypass-blocking the light beam. "Eat tactical steel, you OSHA-violating piece of junk!"

The door gave a final, violent shudder and slammed shut, pinning the mailman’s fingers against the concrete.

Silence fell over the garage, broken only by the heavy, ragged sobbing of two people who had just cheated death by a margin of inches.

"We... we're alive," Zavier whispered, collapsing onto a pile of discarded lawn chairs. "The app... the app actually worked. I feel like I could run through a brick wall. Also, I think I’m going to have a heart attack in about five minutes."

"Shut up," Maine panted, leaning her forehead against the cool metal of the garage door. "Just... give me a minute to not exist."

Zavier looked down at his phone. The green glow was fading, replaced by a dull amber.

[ Status: Exhaustion Imminent. ]

[ Warning: 'The Adrenaline Lie' is a loan. Interest is due in sixty seconds. ]

[ Penalty: Extreme muscle cramping and a Very Bad Attitude. ]

"Uh, Maine?" Zavier squeaked.

"What now, Zavier?"

"The app says I’m about to crash. Hard. Like, 'toddler-without-a-nap' hard."

"Good. Then maybe you’ll finally be quiet for five—"

Maine stopped. She froze, her eyes fixed on the bottom of the garage door.

The door hadn't fully sealed. Because of the mailman’s fingers—and Zavier’s shovel—there was a two-inch gap between the metal and the floor.

A pale, gray hand, missing two fingernails, suddenly snaked through the gap. The fingers wiggled, searching blindly for a grip, scratching at the smooth concrete with a sound like a fork on a chalkboard.

Then, another hand joined it. And another.

"Zavier," Maine whispered, her voice trembling with a new kind of exhaustion.

"Yeah?"

"Get your shovel."

The hands outside began to pull. The heavy garage door groaned, the metal bending slightly as multiple bodies threw themselves against it from the outside.

"I don't want to play anymore," Zavier whimpered, clutching his phone as the screen flashed a single, final notification for the chapter.

[ New Objective: Hold the Line. ]

[ Advice: I hope you tied your laces. It’s going to be a long night. ]

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