As the two titans, Batman and Darth Vader, faced each other amidst the smoldering ruins of an unknown world, the air was electric with the promise of their final clash. This battle was to be the crescendo of their extraordinary abilities — Batman with his hallmark grit and arsenal of uncanny gadgets, and Vader with his absolute command of the dark side's ravenous power.
Night enveloped them, lit only by the baleful glow of Vader's bloodshine lightsaber. Though Batman was but a mortal man, he had defiantly stood his ground against this seemingly unstoppable cosmic force of nature.
Initiating the endgame, Batman launched a volley of EMP grenades, designed to disrupt Vader's suit electronics. The grenades detonated in electromagnetic fury, but Vader contemptuously deflected the energy with the Force. A worthy gambit, but fruitless —Vader's connection to the dark side transcended mere machinery.
Vader advanced implacably, his scything blade carving through the darkness. Batman countered with a flurry of razor-edged batarangs, some explosive, others electrically charged. With only a slight wave of his claw, Vader effortlessly turned the projectiles away, commandeering Batman's own weapons against him. The caped crusader ducked and rolled, a blur of motion against the shadows.
Closing in, Vader engaged Batman directly with sweeping lightsaber strikes. Despite Batman's mastery of every martial art, he found himself battered back, unable to fully counter Vader's unnaturally enhanced strength and speed. Each of Vader's attacks now was freighted with the full potency of the dark side, and Batman felt his body begin to falter.
Recognizing the futility of direct confrontation, Batman activated his suit's eldritch cloaking device and withdrew into the deeper darkness to re-strategize. Halting amidst the rubble, Vader reached out with thunderous senses, detecting the two totemic emotional signatures of fear and determination oscillating in the air.
Hidden, Batman analyzed his dilemma with diamond clarity. His gadgets, his physicality, his strategic genius—all were as nothing against the world-bending power of the Force. Vader was no mere man to strategize against. He was an infinitely dangerous cosmic entity hiding in deceptive human form.
But Batman had never yielded to nihilism, no matter the odds. He attacked once more in a flurry of ingeniously designed weaponry targeted specifically at Vader's one known vulnerability—his life support systems. A swarm of specialized darts zeroed in on the control panels vulnerable nodes. But centimeters from contact, they met an implacable telekinetic wall and clattered away into the rubble, turned back by Vader's merely glancing wave.
In reprisal, Vader's fist closed, conjuring the invisible energies of the Force. Batman gripped his throat as an immense pressure lifted him skyward, slowly asphyxiating. Summoning his last reserves, Batman triggered a sonic device, releasing waves of excruciating high-frequency vibrations. Vader reeled infinitesimally from the audio barrage, just enough for his Force-grip to weaken and release.
Batman slammed to the ground, gulping painfully for air, his shattered body pushed to its uttermost limits. Though he crawled defiantly to his feet, he knew his resources were virtually exhausted against this dark god of war and wizardry.
He faced Vader for the last time, down to only his primal honor and warrior spirit now. These final moments would determine if he was the hero he had trained since childhood to be. With a wrathful cry, he launched himself in berserker fury, every gadget, every battle art abandoned for pure onslaught.
But to Lord Vader, war was poetry rendered in blood and fire. He conducted the battle's final movements with orchestral elegance, effortlessly countering Batman's increasingly desperate attacks. As they fought on, the very air crackled with violent energy until Batman landed one last perfectly placed blow squarely on Vader's chest plate, channeling all that remained of his prodigious might.
Vader staggered back half a step at the impact. Then regaining his equilibrium, he gestured almost gently. Batman flew backwards, crashing in a twisted heap of machinery and mangled armor, utterly defeated at last.
Vader towered over his broken foe, victorious as always over all who had dared confront his POWER. Here then was the dark climax to their epic battle, set against the roiling backdrop of a thousand colliding universes.
One final time, Batman tried to climb to his feet, the stubborn fire of sheer guts and willpower now animating his shattered frame rather than muscle or bone. But willpower alone could not carry the day this time. Vader almost casually, the Sith Lord rendered Batman unconscious with a light Force pulse before turning away from his vanquished adversary. The legend of the Dark Knight had found its reckoning at last against a superior legend from a darker world than had ever spawned Gotham City.
Vader stalked away, his cloak floating behind him in the scorched air. In the multiplying infinity of clashing realms called the metaverse, the Sith had emerged dominant over all challengers. And yet, even lying broken on an alien battlefield, Batman's legacy of heroism against overwhelming darkness would live on eternal, a clarion example to all who strove against the endless night.