Armed with futuristic knowledge, a mad scientist named Dr. Elias ventured back in time to the medieval age. His goal? To use his advanced understanding of technology and science to shape the world in his image.

In the 14th century, the world was still driven by rudimentary inventions. Dr. Elias saw this as a blank canvas, waiting to be filled with the brilliant colors of modern science.

As he began to share his knowledge with the locals, he was met with a mixture of awe and fear. People regarded him as a sorcerer, but a benevolent one nonetheless.

In a matter of months, Dr. Elias had completely revolutionized the village. From water wells powered by wind energy to rudimentary steam engines, the world had seen nothing like it before.

Amidst his innovations, a curious young boy named Thomas grew fascinated by the 'sorcerer'. His curiosity and thirst for knowledge reflected in his sparkling blue eyes.

Thomas became Dr. Elias's dutiful apprentice. His knack for understanding intricate concepts and aptitude for adapting quickly made him an invaluable asset.

Under Dr. Elias's guidance, Thomas learned about electricity, mechanical engineering, and even the principles of modern medicine. It was a crash course to a brave new world.

With each passing day, the village flourished under their innovative rule. But as they say, every action has an equal and opposite reaction.

News of the 'sorcerer' and his prodigy soon reached the ears of the King. Intrigued and somewhat worried, he summoned them to his court.

As Dr. Elias and Thomas nervously entered the grand hall, they were met with suspicious eyes. The King, a man of considerable power, looked upon them with mixed feelings.

The King demanded proof of their 'magic'. Dr. Elias, using a small electricity generator, lit up the entire hall, taking everyone's breath away.

The King, astounded yet still wary, charged them with creating a powerful weapon for use against his enemies. Dr. Elias, now in a quandary, was torn between ethics and survival.

Back in their workshop, Dr. Elias and Thomas were left pondering their predicament. The demand of a weapon of mass destruction was unthinkable.

Despite the looming threat, Dr. Elias decided against creating a weapon. Instead, he started working on a device that could put an end to violence itself.

The device, a small orb, emitted a wave that influenced people's mind, making them more inclined towards peaceful resolutions. It was a double-edged sword in itself.

With Thomas by his side, Dr. Elias handed over the orb to the King, explaining its nature. He hoped that the King would use it sensibly.

The King, seeing the potential of such a device, declared Dr. Elias and Thomas as national heroes. The duo were relieved, but their worries were far from over.

As the orb began influencing the kingdom, peace prevailed. But with it came lethargy, complacency and a complete disregard for innovation and growth.

The kingdom started falling into ruin. The once thriving and innovative village turned into a ghost town. Dr. Elias and Thomas were left with guilt and regret.

Realizing their mistake, they decided to steal back the orb. It was a risky and nearly impossible task, but they were determined to correct their wrongs.

The heist demanded strategic planning and quick execution. After many sleepless nights, they finally commenced the operation, under the cover of darkness.

Sneaking into the castle, they managed to retrieve the orb. As they made their escape, they were caught by the King's guards. A chase ensued.

In the ensuing chaos, the orb was damaged, sending out a massive wave, knocking everyone unconscious. When Dr. Elias and Thomas woke up, they were back in their workshop.

The orb's wave had reversed the peace effect, restoring everyone's original mindset. The kingdom was gradually returning to its vibrant, innovative self, with no memory of the unusual event.

Dr. Elias, Thomas, and the damaged orb became the only remains of this eccentric adventure. They buried the orb, vowing to use their knowledge responsibly henceforth.

In the aftermath, they dedicated themselves to teaching others, fostering innovation while also emphasizing ethics and responsibility, thus truly revolutionizing the medieval world.

The legacy of Dr. Elias and Thomas lived on, transforming the face of the medieval era with their teachings, promising a better, more educated future for the generations to come.

Dr. Elias, once a mad scientist, was now a revered teacher. Thomas, once a curious child, was now an inspiring figure, embodying the perfect blend of curiosity and responsibility.

The story of their journey, filled with science, responsibility, and a pinch of madness, travelled across continents, adding a new chapter to the lore of the medieval world.

And so, Dr. Elias's ambitious time-travel project resulted in more than he bargained for - a journey of self-realization, ethical dilemmas, and above all, a profound impact on the fabric of time itself.

Ultimately, the Time Traveler’s Conundrum wasn’t about shaping the past with futuristic knowledge, but about shaping the future with lessons learned from the past, a lesson they carried forward for the rest of their lives.

In time, Dr. Elias returned to his era, leaving Thomas to carry on their legacy. As he looked upon the future shaped by their actions, he couldn't help but smile at the beautiful conundrum of time.

And thus, echoes of their story continued to resonate through the ages, their names etched into history - a symbolic testament to their significant journey and the Time Traveler's Conundrum.

Decades later, as Dr. Elias looked back, he realized that time hadn’t been his playground, but his teacher. He smiled at the irony - the student of science, turned into a student of time.

His journey into the past had not only shaped the course of history but transformed him. He was no longer just a mad scientist, but a time traveler, carrying a conundrum that taught him the true essence of science and responsibility.