The air was thick, acrid, and tasted of copper. An old starship corridor, once a marvel of the galaxy, was now a desolate tomb of decaying tech and memories. The dim, flickering lights cast eerie shadows, making the long-forgotten metal bulkheads appear like lurking specters.

Within this oppressive atmosphere stood Oji, his robust frame silhouetted against the fading glow. His pulse rifle, an elegant piece of deadly technology, hummed softly, ready to unleash its wrath. Vixen, agile as her namesake, was next to him. Her rifle's dial was set to maximum, a clear indication of the battle that was imminent.

They had ventured into this forsaken ship to retrieve an artifact - a relic of immense power that could turn the tides in a war that had consumed galaxies. Rumor had it that this ship was its last known resting place. But they weren’t alone in their quest. 

The silence was pierced by a sharp, mechanical hiss. A hatchway further down the corridor groaned open, revealing two figures - the Xenos. These beings were unlike any other; they seemed almost liquid in their movement, shadows given form and menace. Their eyes, or what seemed like eyes, glinted with malevolence.

Oji tightened his grip. “Vixen, ready?”

She responded with a nod, her own body tense, a spring waiting to be released.

Without warning, the Xenos lunged. They moved in a blur, their forms shifting, making them difficult targets. Oji unleashed a burst from his pulse rifle, the shots illuminating the corridor with brilliant blue flashes. One of the Xeno's dodged swiftly, while the other absorbed the brunt, its form momentarily destabilizing before regaining shape.

Vixen, agile and precise, aimed at the weak points, sending several pulses that forced the Xenos to recoil. But they were relentless. One of them, using its shifting form, managed to get behind her, aiming to encase and suffocate.

Oji, sensing the danger, shouted, “Vixen, down!” 

She dropped just as he released a continuous pulse beam that sliced the corridor and the menacing Xeno, causing it to shriek in pain, its form disintegrating into the ether.

But the brief moment of relief was interrupted as the second Xeno, more ferocious and unpredictable, advanced. It lashed out at Oji, who barely managed to sidestep. The Xeno’s assault was a dance of shadows, seemingly coming from all directions.

Vixen, recovering from her earlier encounter, spotted a rupture in the ship's hull. With swift thinking, she directed a concentrated pulse shot at it, creating a vacuum. The force began to drag everything towards the void of space.

The Xeno, caught off guard, struggled against the pull. Oji, anchoring himself, took his shot, targeting the Xeno's core. With a direct hit, the Xeno's form began to unravel, its screams echoing through the vast emptiness.

As suddenly as it began, the vacuum sealed with an emergency shutter, plunging the corridor into an eerie silence.

Both Oji and Vixen panted heavily, their eyes meeting, understanding the close call they had just experienced.

"We need to find the artifact," Vixen whispered, her voice carrying the weight of the universe's hope.

And with that, amidst the grim remnants of battle, they proceeded deeper into the starship, aware that their quest was far from over.