Our unlikely quartet - an ever-evolving slime, an astute goblin, an elemental wolf, and a darkness dragon - were preparing for the ultimate challenge. Their goal was to take on the Cosmic God and the Infinity God, rulers of all universes.

The slime, named Morph, was all colors at once yet none. He was in a never-ending cycle of evolution, perpetually adapting to the world around him. Morph was a unique entity, unlike anything the world had ever seen.

The goblin, called Gnarl, was clever beyond his years. He was no ordinary goblin, he was brainier, sharper, his intellect unparalleled among his kin. Perhaps it was because he spent less time fighting and more time studying.

Their third companion, the elemental wolf, Whisp, was a majestic balance of fire and ice, earth and wind. His powers were born from the primal forces of nature itself, meant to preserve the delicate balance of life and death.

The last of the four, the darkness dragon, was the embodiment of the void. Imperium, the dragon's name, was a formidable creature of shadow and whisper, controlling every wisp of darkness that it came across.

The Cosmic God was the sentinel of the cosmos. He was the one who guided the stars and controlled the cosmic forces which drive the universe. His power was unimaginable, the galaxies were his playthings.

The Infinity God, on the other hand, ruled the infinite expanse beyond our universe. He was the master of the void, the space between spaces, and the corridors of time. His powers were beyond limitations, slipping through dimensions at will.

On their journey, the quartet faced many trials to strengthen their powers. Morph learned to manipulate his form, mastering the art of mimicry and learning to harness the strength of anything he touched.

Gnarl, the goblin, spent his time deciphering spellbooks and scrolls, his strategic mind planning their moves. He worked on his traps, his potions, everything that can give them an edge against the gods.

Whisp, the elemental wolf, underwent rigorous training to control his powers. He practiced manipulating the elements without causing calamities, and concentrated his raw energy into controlled bursts.

Imperium, the darkness dragon, had the most difficulty. To avoid succumbing to the void, he had to constantly battle against his own instincts, feeding off the shadows without letting them consume him.

When they felt ready, the four began their trek toward the Cosmos, the dwelling of the Cosmic God. There they would face the first part of their challenge. The stars glittered ominously as they approached.

As the group arrived, they were immediately assaulted by the Cosmic God's celestial creatures. Stars, comets, planets, all came to life to protect their master. But the four protagonists stood firm, ready for the battle.

Morph expanded and deflected attacks, the blows bouncing off his resilient form. Gnarl set out traps and cast spells that disrupted the cosmic creatures' attack patterns. Whisp used his elemental powers, while Imperium engulfed fighters in darkness.

After a grueling battle, the Cosmic God appeared. Despite their exhaustion, the quartet readied themselves for the coming encounter. The Cosmic God, recognizing their determination, allowed them the advantage of the first attack.

Each member of the quartet put their all into the fight, combining their strengths to wear down the Cosmic God. After a lengthy and exhausting battle, they were successful in over powering the Cosmic God. The cosmos fell silent.

Having managed to defeat the Cosmic God, their next challenge awaited - the Infinity God. The endless void seemed even more foreboding than the cosmos, but they pressed on into the infinite expanse of nothingness.

Here, they battled against creatures of the void, beings from different dimensions that defied all logic and understanding. This was a battle not just of physical prowess, but also of mental fortitude.

The Infinity God watched from the sidelines, studying these anomalies that dared to challenge him. As the quartet advanced towards him, he readied himself. This was going to be a battle of epic proportions.

The quartet launched into a relentless assault, their powers melding together flawlessly. The Infinity God retaliated, every strike from him was a direct hit to the fabric of reality. The battle was fierce, but our heroes were resilient.

Despite their struggle, the Infinity God's power was enormous. The quartet felt like they were fighting against the universe itself. But they kept going, their determination unwavering. An unexpected ally would turn the tide in their favor.

It was the Cosmic God, who had been watching, impressed by their grit. He aided them, his celestial powers countering the infinity ones. With the Cosmic God's help, the quartet was able to defeat the Infinity God.

The void calmed, and silence fell. The exhausted quartet, along with the Cosmic God, stood victorious. They had shown that even the mightiest could be challenged, and that strength comes in many forms.

The Cosmic God, grateful for their help, asked the four to join him in maintaining the balance of the cosmos. They agreed and embarked on their new journey as guardians of the universe, the protectors against chaos.

And so, our quartet - Morph, the ever-evolving slime, Gnarl, the clever goblin, Whisp, the elemental wolf, and Imperium, the darkness dragon - became the new cosmic entity. Together, they stood watch over the cosmos, guardians and defenders, heroes for eternity.