The world of anime was drastically altered in the year 1984 with the arrival of a behemoth: Voltron. This giant fighting robot wasn't just a hero; it was the embodiment of teamwork and bravery.

Voltron was born out of a creative collaboration between Toei Animation and World Events Productions. Its unique design and compelling storyline captivated audience, creating a fanbase worldwide.

The story of Voltron is set in outer space, amongst inter-galactic wars. It is the defender of the universe against the forces of King Zarkon.

An integral part of Voltron's tale is its formation. It was constituted of five lion robots that would merge into Voltron in times of dire need.

Each of the five lion robots had its own pilot. These were the Galaxy Alliance team members, the true heroes behind Voltron's power.

Voltron was successful due to its unique mix of typical Japanese anime themes and Western story-telling styles. It was a trendsetter, paving the way for many sci-fi animes.

Despite its popularity in the 1980s, Voltron faced intermittent cancellation due to issues among its producers. Still, its presence never faded away from the hearts of fans.

A testament to its undying popularity was the reboot of the series in 2016. Titled "Voltron: Legendary Defender", it was a reassurance to fans and a fresh start for the franchise.

The reboot series continued to maintain the essence of teamwork and bravery that defined the original. However, it also introduced new elements to cater to the modern audience.

One of the significant changes was the alteration in the team's composition. While the original team was all-male, the reboot series introduced female pilots, becoming more inclusive.

Alongside Voltron, the role of King Zarkon was also revised. From a one-dimensional villain, he was transformed into a character with a complex backstory and motives.

The animation style underwent drastic changes. Paying homage to the original's 1980s visuals, the new series employed modern animation techniques for a sleek and detailed look.

The reboot series was produced by DreamWorks Animation and distributed by Netflix. The involvement of such industry heavyweights ensured high-quality storytelling and animation.

Despite the changes, Voltron's core principles remained intact. Teamwork, bravery, and the fight against evil continued to be the driving ideologies, just like the original series.

Voltron: Legendary Defender had an enormous impact. It served as a reminder of the classic while introducing a new generation to the awe and inspiration that Voltron embodies.

The series concluded in 2018, after eight successful seasons. Yet, the legacy of Voltron continues to live on, inspiring numerous fan creations and references in popular culture.

Voltron has also marked its territory in the realm of merchandise. From action figures to clothing lines, its influence pervades the world of pop-culture consumer products.

Voltron's unexpected success can be attributed to its engaging storyline, endearing characters, and the underlying message of unity and bravery.

Its realistic portrayal of characters, each dealing with their unique struggles and triumphs, made the audience relate and root for them.

Moreover, the detailed world-building, including the complexities of inter-galactic politics and warfare, added depth to the narrative.

The intricate art, which combined classic anime aesthetics with a modern touch, made Voltron visually captivating. The creators’ attention to detail in depicting each era significantly contributed to this.

Additionally, the sophisticated writing often touched on serious themes, making the series appealing to both young and older audiences alike.

Over the years, Voltron has become more than just an anime series. It has become a symbol of unity, courage, and resilience, and a beloved icon of popular culture.

Its message of teamwork, that individuals are stronger together than apart, continues to resonate with viewers, making Voltron timeless in its appeal.

The journey of Voltron, from its inception and rise to success, its hiatus and eventual revival, is a reflective narrative of its own. It is a testament to the power of a compelling story, relatable characters, and strategic collaborations.

The enduring legacy of Voltron reaffirms its place in the pantheon of anime/manga heroes. It's a classic that has withstood the test of time, maintaining its relevance in a rapidly evolving landscape.

And so, Voltron's tale doesn't merely belong to the past. Its spirit lives on, thrilling new generations with its ethos of bravery, unity, and the pursuit of justice.

Even today, in the hearts of fans, old and new alike, Voltron continues to be the defender of the universe, a beacon of hope in a world battling its own manifestations of 'Zarkons'.

As the saga of Voltron unfolds, its impact deepens. From being a product of artistry and imagination, it has transformed into a cultural phenomenon, a timeless tribute to the indomitable spirit of teamwork and courage.

In the grand tapestry of anime/manga heroes, Voltron shines bright, its saga weaving a story that transcends time, inspiring and enthralling audiences, and fueling the fires of change, one episode at a time.

Truly, the rise of Voltron is not simply a tale of unexpected success. It is a journey of resilience, bravery, and unity, a tale that continues to echo through the corridors of anime history.

The legacy of Voltron not only stands as a colossal achievement in the anime industry but also symbolises the power of a compelling narrative, colourful characters, unforgettable visuals, and a message that resonates with each one of us.

As Voltron’s journey continues to inspire, the echo of its roar remains, reminding us all of the strength we can find when we unite in the face of adversity. And thus, the legend lives on.

It is not just the story of a defender of the universe. It is a story of us, of our potential for greatness, of our ability to stand together and fight for what is right. This is Voltron, and its legend will continue to shine, now and forever.

So, as we delve into the annals of anime history or browse through the colorful pages of manga, one name shall forever stand tall. Etched in the hearts of millions, as the ultimate symbol of courage and unity - Voltron.