Why Did Hitogami Want to Kill Roxy Greyrat in Mushoku Tensei? The Hidden Prophecy Explained

Mushoku Tensei has always been more than an isekai about second chances. The deeper you dive into the light novels, the more you realize it’s really a story about fate, manipulation, and a centuries-long battle that most characters don’t even know they’re part of. And honestly, one of the biggest “wait… what?” moments for me wasn’t a flashy fight—it was discovering why Roxy Greyrat became one of Hitogami’s greatest concerns.

If you only watched the anime, Hitogami can still seem like a mysterious figure who occasionally gives Rudeus useful advice. Sure, he’s suspicious, but not openly evil. Readers of the novels know that’s only half the story.

The more secrets the series reveals, the clearer it becomes that Roxy wasn’t simply another obstacle in Hitogami’s plans—she was the key to the future he feared most.

It Was Never Really About Roxy

One thing I absolutely love about Mushoku Tensei is how every major event ends up mattering years later. Seemingly random encounters become critical pieces of an enormous puzzle, and Hitogami sits at the center trying to rearrange every piece before destiny catches up with him.

Why Did Hitogami Want to Kill Roxy Greyrat in Mushoku Tensei? The Hidden Prophecy Explained

Unlike many fantasy villains, Hitogami doesn’t act out of anger or pride. He’s incredibly patient, always looking several moves ahead. Thanks to his ability to glimpse countless possible futures, he knows exactly which people could eventually threaten his existence.

Unfortunately for him, one future appeared over and over again.

  • Rudeus Greyrat
  • Roxy Greyrat
  • Their future daughter, Lara Greyrat

That single family represented everything Hitogami wanted to prevent.

From his perspective, Roxy wasn’t dangerous because she possessed overwhelming magical power. She was dangerous because her survival allowed destiny to continue exactly as prophecy intended.

Lara Greyrat Was the True Threat

The biggest twist is that Hitogami never feared Roxy as an individual.

He feared what would happen if she lived.

If Roxy survived her adventures, she would eventually marry Rudeus. Together, they would have their first daughter, Lara Greyrat.

Ancient prophecies throughout the world identify Lara as one of the individuals destined to stand alongside the Dragon God Orsted during the final struggle against the Man-God. While Rudeus himself becomes an important ally, Lara’s existence carries an even greater weight in the world’s future.

That realization completely changed Hitogami’s strategy.

Rather than waiting decades to confront Lara after she was born, he decided the safest solution was much simpler.

Erase the possibility of her birth altogether.

It’s honestly one of my favorite examples of long-term storytelling in modern fantasy because the villain isn’t reacting to current events—he’s trying to rewrite history before it even happens.

Why Couldn’t Hitogami Kill Roxy Himself?

One question that comes up frequently among anime-only fans is simple: if Hitogami knew Roxy would become such a problem, why didn’t he just eliminate her personally?

The answer lies in the limitations of his existence.

Why Did Hitogami Want to Kill Roxy Greyrat in Mushoku Tensei? The Hidden Prophecy Explained

Despite his overwhelming knowledge, Hitogami cannot freely appear in the physical world to murder whoever he wants. Instead, he manipulates events from behind the scenes, communicating through dreams and influencing carefully selected Apostles whose personal desires make them easy to control.

That’s what makes him such a fascinating antagonist.

He rarely forces people to obey him.

Instead, he offers advice that appears reasonable while quietly steering events toward the future that benefits him.

Every Major Attempt to Keep Rudeus and Roxy Apart

Looking back after finishing the novels, several seemingly unrelated events suddenly fit together perfectly.

Story EventHitogami’s Hidden Objective
Rudeus obtains the Eye of ForesightDelay his reunion with Roxy by changing the timing of his journey.
The Begaritt Continent expeditionConvince Rudeus to stay behind so Roxy dies inside the Teleportation Labyrinth.
Turning Point 4Eliminate pregnant Roxy before Lara Greyrat can ever be born.

Individually, each event seems harmless or coincidental.

Together, they reveal a carefully orchestrated campaign stretching across years.

The Teleportation Labyrinth Was Supposed to Be Roxy’s Grave

The Begaritt arc remains one of the emotional highlights of the entire series.

When Roxy becomes trapped deep inside the Teleportation Labyrinth, Hitogami encourages Rudeus to remain at the Ranoa Magic Academy instead of rushing to help.

At first glance, the advice almost sounds logical.

  • Rudeus had responsibilities.
  • Traveling across the continent was incredibly dangerous.
  • His family needed him.

Only much later do we understand the real objective.

If Rudeus never reached the labyrinth, Roxy would eventually exhaust her resources and die alone.

Instead, everything unfolded in exactly the opposite way.

Rudeus ignored Hitogami’s guidance.

He rescued Roxy.

The experience strengthened their bond, eventually leading to their marriage.

Ironically, Hitogami’s attempt to prevent destiny ended up pushing the prophecy one step closer to becoming reality.

Turning Point 4 Revealed Hitogami’s Cruelest Plan

If there is one moment that completely changes how readers view Hitogami, it’s Turning Point 4.

By this stage, preventing Rudeus and Roxy from falling in love was no longer possible.

Hitogami switched to a far darker strategy.

He instructed Rudeus to open a locked basement for what appeared to be an insignificant task.

Inside, a diseased rat escaped.

That tiny creature carried the infection responsible for the devastating Magic Stone Disease.

While the illness posed little danger to most people, it proved fatal for a pregnant Migurd.

Roxy contracted the disease.

Both she and her unborn child died.

For me, that’s still one of the most heartbreaking twists in the entire story because there was no spectacular battle or legendary monster involved.

Everything changed because of one seemingly meaningless decision.

Oldeus Changed Everything

Fortunately, that tragic future didn’t become permanent.

After losing Roxy, the older version of Rudeus—known among fans as Oldeus—spent decades searching for the truth behind Hitogami’s manipulation.

Rather than giving up, he devoted his life to forbidden magical research, eventually mastering time-travel magic that allowed him to return to the past.

Instead of seeking revenge immediately, Oldeus chose a far smarter solution.

He warned his younger self.

His journal documented every trap, every deception, and every mistake that led to Roxy’s death.

Armed with knowledge from the future, Rudeus prevented the rat from spreading the disease, protected his family, and ensured that Roxy safely gave birth to Lara Greyrat.

That single intervention completely rewrote history.

Hitogami’s Greatest Weakness Was Fear

One of the reasons Hitogami stands out as a villain is that he isn’t driven by conquest anymore.

He’s driven by fear.

Despite presenting himself as an all-knowing god, almost everything he does throughout the latter half of the story comes from desperation.

He understands that somewhere in the future, Orsted and his allies will eventually reach him.

He knows Lara Greyrat will become a central figure in that conflict.

And he spends years desperately trying to prevent that future from existing.

Ironically, every manipulation only strengthens the bonds between Rudeus, Roxy, and Orsted.

Instead of escaping destiny, Hitogami slowly creates it himself.

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Final Thoughts

Looking back, it’s incredible how many early scenes gain completely new meaning once the full story is revealed. Conversations that once felt harmless become obvious manipulation, and seemingly random coincidences reveal themselves as carefully planned moves in a much larger game.

That’s one of the biggest reasons I think Mushoku Tensei remains one of the strongest modern isekai stories. Its greatest battles aren’t always fought with swords or magic—they’re fought through choices, trust, and the invisible weight of destiny.

Hitogami never truly feared Roxy because she was an extraordinary mage.

He feared the future that only she could create.

As long as Roxy survived, Lara Greyrat could be born. As long as Lara existed, the prophecy remained alive. And as long as that prophecy endured, Hitogami’s own downfall remained inevitable.

In the end, the Man-God’s greatest mistake wasn’t underestimating Rudeus or Orsted.

It was believing that fate could be defeated simply by removing one person from the board.

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