The Power to Disrupt the World's Balance

Distributing flyers is the first job every devil operating in the human world must go through.

As mentioned before, in modern times, no one goes about searching for forbidden information or performing summoning rituals by drawing magic circles to form contracts with devils like they did in the past. Therefore, delivering flyers inscribed with simplified magic circles into the hands of humans is an essential task for modern devils to begin their activities.

This work is usually handled by familiars, so devils themselves don't typically need to do it personally. However, to hone their peerage, high-class devils usually make them perform these basic tasks for a period of time. Once they are familiar with the grassroots work, they begin using magic circles to officially accept requests from those with desires, earning rewards by fulfilling them.

As a novice devil, Yukino Yukinoshita naturally had to start learning from this task.

Of course, she didn't need to be like employees in other industries, smiling in crowded places and handing out flyers to passersby. She only needed to deliver the flyers to the designated addresses during the dead of night when no one was around, slipping them into mailboxes or door cracks.

So, I just need to deliver the flyers to their homes while they're sleeping?

Upon learning this, Yukino Yukinoshita breathed a sigh of relief.

For a young lady who wasn't good at social interaction to be sent out to the streets to hand out flyers while maintaining a smile—that would have been far too difficult for her.

"We have no choice; we can only operate at night. Unlike familiars, we can't work during the day without hindrance," Leo explained to Yukino Yukinoshita. "Devils can only act at night; the daytime belongs to angels and God. If you dare to hand out devil flyers on the street during the day, you'd better pray if you run into someone from the church. They certainly wouldn't mind sending an exorcist to take you out."

"Don't make it sound so scary!" Yukino Yukinoshita's expression stiffened, and she said indignantly, "I don't want to die again!"

Even now, whenever she recalled the scene of being pierced through the body by Valder's spear that night, Yukino Yukinoshita still felt a lingering fear.

Even if others encounter dangerous situations, as long as they survive, it's just an experience of being close to death. But she had truly died once, and that feeling was not pleasant at all.

Therefore, Yukino Yukinoshita really didn't want to encounter the same thing again.

"Then keep this."

Leo suddenly took out a bracelet-like object and handed it to Yukino Yukinoshita.

"What is this?"

Yukino Yukinoshita took it, examining it while asking.

"A light power detector. It can detect the presence of high concentrations of light power nearby. Once it starts sounding an alarm, it means there is either an angel, a fallen angel, or a church exorcist capable of using light weapons nearby," Leo said to Yukino Yukinoshita. "After all, Chiba City is the church's territory. It won't be very convenient for devils to operate here. If you wear this, you can avoid quite a few risks."

This was something Leo had used when he was a child, brought from the underworld by the devil who was in charge of him back then. It wasn't a very precious item, but it was very practical.

"Don't you need this?"

Yukino Yukinoshita asked with some surprise and confusion.

"I don't need it anymore." Leo smiled quite confidently. "Right now, it should be the people from the church hiding from me, not the other way around."

Even if they could use the angels' light power to fight, church exorcists wouldn't dare to easily provoke a high-class devil.

No matter how many battles the opponent has experienced or how strong a warrior they are, as long as they are still human and possess a mortal body, they must act in teams to have any chance of successfully subjugating a high-class devil.

Therefore, unless he encountered those legendary warriors or top-tier exorcists regarded as trump cards by the church, Leo could retreat calmly even if besieged, given his current strength.

That was him before; now, not only had his demonic power increased significantly, but he had also advanced from two-wing to six-wing, making him far stronger than before. Coupled with the suddenly awakened zenith tempest, the church personnel stationed in Chiba prefecture were no longer a concern to him.

"Take this as well." Leo handed Yukino Yukinoshita another device and said, "This is an action device used to detect qualified trading partners. Simply put, it's a scanner to locate our potential clients. You just need to distribute the flyers based on the locations shown on the device."

After giving all the instructions, Leo sent Yukino Yukinoshita on her way.

Although Yukino Yukinoshita felt a bit uneasy, she did not want to be seen as weak by Leo, so she took a deep breath, spread her devil wings, and flew out of the manor.

Leo watched Yukino Yukinoshita depart before returning to the basement training room.

"Swish!"

As six devil wings unfurled behind him, Leo soared into the air of the training room once again.

He was about to begin training his ability to use his sacred gear.

"Fire!"

At Leo's command, an astonishing burst of flames erupted around him.

The flames transformed into a fire wave, spreading outward like a crimson avalanche, instantly igniting the entire basement training ground and turning it into a sea of fire.

"Water!"

Leo commanded again, and intense water vapor condensed out of thin air, manifesting a monstrous torrent.

The torrent descended like a great flood, crashing onto the ground. Everything in its path was engulfed, turning the sea of fire into an ocean and extinguishing countless flames.

"Ice!"

The next second, snowflakes fluttered, and gusts of frost descended, sending a blizzard sweeping across the entire area.

In an instant, the ocean filling the basement froze at a speed visible to the naked eye. Accompanied by the teeth-gritting sound of freezing, it completely transformed into a frozen land.

"Lightning!"

Leo raised his hand like a king commanding the world. An astonishing aura erupted from his body, causing the basement ceiling to tremble as thunderclouds swirled into existence out of thin air.

Lightning flashed and thunder roared within the clouds. Countless wild bolts of lightning suddenly struck down, shattering the ice on the ground and ravaging the entire training field.

The scene was as if a legendary apocalypse had been compressed into this small space, directly triggering the basement's barrier and causing it to become precarious.

Before long, Leo caused fierce winds to swirl within the clouds, sending tornadoes crashing down. The ravaged floor was pulverized into countless flying stones, swirling into a sandstorm and dust storm with power comparable to a true natural disaster.

"Is this the power of the zenith tempest, which ranks second among the longinus, second only to the legendary true longinus?"

Leo looked at the basement training room, which had nearly been reduced to ruins, and felt a sense of shock himself.

Manipulating elements like earth, water, wind, and fire is not actually a difficult task for beings who have mastered supernatural powers.

To say nothing of others, Leo himself could manifest these supernatural phenomena using his demonic power. It was just that, lacking sophisticated control techniques and intense imagination, the resulting power was not as strong as simply condensing his demonic power into barrages and beams to fire off.

However, Leo could say with certainty that even for those powerful beings who excelled at manipulating elemental forces, the destruction they could cause was far inferior to Zenith Tempest.

What Zenith Tempest manipulated was not so much the elements of earth, water, wind, and fire, but rather the natural forces associated with them. The essence of its power was the interference with the world and nature itself.

This could be seen from the fact that Zenith Tempest could command the sky and control the climate. If it did not possess power of this magnitude, it would not be the second-ranked longinus, nor would it be one of the only four current top-tier longinus capable of destroying a country or even exerting a massive influence on the world.

"Although my Zenith Tempest has only just awakened, in terms of destructive power, even an ultimate-class devil would likely not dare to underestimate it, right?"

After the shock, Leo felt a surge of excitement.

"As expected, my greatest gain from taking Yukino into my peerage was not the increase in demonic power, nor the rise in rank, but the awakening of the sacred gear!"

The increase in demonic power and the rise in rank had given him the strength to stand among the upper echelons of high-class devils, but the awakening of Zenith Tempest gave him the ability to challenge those above his rank and compete with those stronger than himself!

Leo made a judgment almost immediately.

"As long as I can skillfully use Zenith Tempest, my power will absolutely be able to threaten an ultimate-class devil!"

And this was only the result of proficiently using the sacred gear.

A sacred gear is a power with infinite possibilities. It uses the owner's thoughts as nourishment to constantly change and evolve, becoming stronger and stronger.

Since a sacred gear is powered by the wielder's will, the strength of its power is basically determined by the strength of that will. If one day the wielder's will becomes strong enough to defy the flow of the world, and their spirit undergoes a drastic change—transforming various emotions like happiness, sorrow, joy, sadness, and fear into power—and pushes the sacred gear to its limit, they will reach the ultimate realm of the sacred gear: "Balance Breaker."

That is a realm of forbidden power, capable of destroying the balance of the world.

Once he reaches that realm, Leo would likely be able to compete with the Maous of the underworld and directly rank among the strongest in this world.

This is the terrifying aspect of sacred gears, or rather, the terrifying aspect of longinus. The claim that they can destroy gods and Maous is by no means an empty boast.

Therefore, when Zenith Tempest awakened, Leo knew that his future reliance would no longer be the power belonging to a devil, but this world's second-ranked longinus.

"I must master Zenith Tempest as quickly as possible so that I can catch a glimpse of the Balance Breaker realm."

With this thought in mind, Leo continued to stimulate the power of the sacred gear, ravaging the basement and causing the scene to erupt with constant, doomsday-like roars.