My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! Episode 4

[Full English] My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! Episode 4: The Architect's Folly The Plot Teaser: Blood Debt and the Labyrinth's True Heart The episode tears directly into the climax of Kai's long-awaited counterattack.

For weeks, he has honed his overwhelming, yet chaotic, Gift Lvl 9999 Unlimited Gacha, turning random chance into a precision weapon.

But now, he faces his betrayer, Seraphina, deep within the forgotten core of the Cinderfall Grotto the very dungeon where his life was nearly extinguished.

What happens when the ultimate gambler comes prepared? What sinister secret lies beneath the mundane dungeon walls, and why are Seraphina’s eyes gleaming with desperate fanaticism instead of simple greed? Kai isn’t just seeking an eye for an eye; he’s seeking to tear down the entire system that allowed his betrayal to occur, starting with the source of the Grotto's ill-gotten power: the enigmatic Core Shard.

This episode promises not just vengeance, but a cataclysmic confrontation that exposes the dark architecture of the world’s power system.

Will Kai’s boundless luck be enough to survive the dungeon's final, desperate defense, or will his thirst for justice consume him entirely? The shadows of the past are deep, but the power he now wields is terrifyingly absolute.

The backwater dungeon is about to become the epicenter of a world-altering event, and Seraphina is only the first piece of the conspiracy to fall.

Important Characters, Roles, and Motivations Character Name Role in Episode 4 Motivation Kai The Protagonist, wielding the Lvl 9999 Unlimited Gacha.

Driven by a cold, surgical need for justice and vengeance.

He intends to publicly expose Seraphina's betrayal and the corruption linked to the dungeon's management, using his Gift's chaotic power to overwhelm her carefully planned defenses.

Seraphina The Primary Antagonist, Kai's former party leader.

Desperate to secure the Core Shard a powerful artifact she believes will grant her undisputed dominance in the Adventurer's Guild.

Her motivation is pure status and self-preservation; she must eliminate Kai, the only person who knows the true extent of her crimes.

Vex & Lyra Seraphina’s current, highly skilled mercenary partners.

Two ruthless, opportunistic adventurers hired by Seraphina.

Their motivation is simple financial reward and the promise of a piece of the Core Shard’s power, although they are unaware of the full danger the artifact poses.

Rhea The Guild’s Chief Investigator (introduced remotely).

A shrewd, high-ranking official tasked with investigating anomalies in dungeon resource reports.

Her motivation is order and power acquisition; she is tracking the impossible energy signatures emanating from the Grotto, intrigued by the possibility of capturing an Anomaly (Kai) or securing a Legendary Artifact (the Core Shard) for the Central Guild.

Important Scenes in Sequence I.

The Deepest Descent (Setting the Trap) Kai, having navigated the hidden traps and corrupted fauna of the lower levels with unnerving precision, finally breaches the Nexus Chamber.

The chamber is vast and carved from obsidian, at its center a pulsating crystal the Core Shard hovering above a complex runic circle.

Seraphina stands ready, flanked by the mercenaries Vex and Lyra, their stance suggesting they were expecting a prolonged siege, not an instantaneous appearance.

Seraphina attempts a final, condescending plea, masking a deadly threat, but Kai cuts her off.

His composure is unnerving; he does not yell or rage, only speaks with chilling, methodical certainty, explaining exactly how his Lvl 9999 Gift allows him to bypass any conventional security measure, including their hastily laid magic traps.

The atmosphere is tense, not of a fight, but of an execution setup.

II.

The Gacha Barrage (Overwhelming Force) The moment Seraphina gives the signal, Vex charges with blinding speed.

Kai, instead of drawing a weapon, activates his Gift.

The Gacha wheel spins impossibly fast, and with a deafening CLANK, it drops The Legion of a Thousand Phantoms a legendary-tier scroll.

Instantly, the chamber is flooded with a thousand shimmering, invulnerable clones of Kai, each armed with a different, high-tier weapon (from cannons to scythes).

The clones do not attack Seraphina; they swarm and systematically dismantle the ritual circle and disable her mercenaries in moments, pinning them down without causing fatal injury.

The mercenaries, Vex and Lyra, are paralyzed by the sheer absurdity and power of the random pull, their professional façade crumbling into terror.

III.

The Confession and the Premature Activation Seraphina is isolated.

Kai steps forward, not for a duel, but to play a recording from a newly Gacha'd Truth-Seeking Spy Orb an item that captured her prior confession to her subordinates about framing Kai and manipulating the Guild’s report.

Seraphina realizes Kai didn't just come for vengeance; he came for evidence.

Enraged and cornered, she lunges for the Core Shard, intending to manually activate it to grant herself power before Kai can deliver the final blow.

Vex screams a warning, having realized the Shard’s true purpose from Kai's earlier monologue: It's not a battery, it's a key! Seraphina dismisses the warning as a lie and slams her hand onto the crystal.

IV.

The Dungeon Guardian (The Cataclysm) The Core Shard doesn't grant Seraphina strength; it acts as a distress beacon.

The obsidian floor of the Nexus Chamber cracks and shatters as a colossal, multi-limbed, black Elder Golem erupts from the earth.

The Golem, the true, ancient guardian of the dungeon, is bound to protect the Core Shard at all costs.

It moves with devastating, primordial power.

Its first sweeping attack instantly incinerates Vex and Lyra, turning Seraphina's entire mercenary crew to ash a sudden, brutal consequence of her reckless ambition.

Seraphina herself is thrown against the wall, witnessing the catastrophic failure of her plan and the loss of her power base.

V.

The Calculated Rescue (The Dramatic Twist) The Golem locks onto Kai, recognizing him as the primary threat due to his disruptive presence.

The Nexus Chamber begins to collapse around them.

Kai knows he could pull a weapon strong enough to destroy the Golem, but doing so would mean his public justice dies with Seraphina, and the evidence is lost in the collapse.

In the episode's dramatic climax, Kai activates the Gacha one final time.

He pulls the Singularity Anchor of Ephemeral Stability (Legendary+++ Tier).

Instead of attacking the Golem, he throws the Anchor at the floor.

The device stabilizes the dungeon's energy, temporarily freezing the Golem in place and creating a dimensional bubble around the remaining section of the chamber, saving Seraphina and the evidence.