Unlike previous films produced by Happy Science, The Mystical Laws mixes its religious plot with science-fiction elements and anti-Chinese propaganda to spread Ryuho Okawa's teachings. However, it goes without saying that the film by its very nature will have plenty of bone-chilling moments, especially by appealing to fears over a certain nation rising to take over the world and causing an impending apocalypse in the process.
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- The "Ultimate Destruction Weapon" generates a tiny fireball that is 400,000 times as hot as the Sun's core and throws it behind enemy lines - a scene showcases it destroying a city with a catastrophic explosion that rivals those of traditional nuclear weapons.
- Leika Chan explains that using this weapon will affect both the Earth's crust and core so severely that the planet will become uninhabitable. Even if humanity should survive such an attack, it will be for naught as the Earth's climate will progressively become hostile to life afterward.
- Shou's visions of the future after taking over as General of Hermes' Wings. While the first ones are of a pleasant cherry blossom forest and Konohana-no-Sakuya-bime's apparition, the next ones become nightmarish, such as Godom Empire soldiers marching through flames, cities razed and taken over by the Empire, the activation of the Ultimate Destruction Weapon, and demons lurking through the ruins of Japan. Another set shows Godom soldiers landing in Inasa Beach, invading a nearby town, and then shooting at a toolshed where a boy ran for cover, killing him. Then the final vision shows a Godom soldier aiming at the camera and shooting, which is meant to be from Shou's perspective.
- As Shou meditates for a second time, he sees visions of India and neighboring countries taken over by the Godom Empire, followed by Reptilians plotting to invade Earth when the UDW is activated. Why, you ask? Because they're bound by a Galactic Treaty, which stipulates that intervention in another planet is only allowed when the host planet's inhabitants are destroying their own civilization.
- Rient Arl Croud explains to him that all planets are living beings with advanced consciousness. Therefore, Earth will cleanse itself via natural disasters and sinking entire continents if humankind disdains it as a place for soul training, like what happened to the civilizations of Atlantis and Mu, as showcased in the previous film The Laws of the Sun. The concept of the Earth itself causing massive cataclysms in response to humans' disavowing religion and refusing to believe in God and spirits is very unsettling.
- As Konohana-no-Sakuya-bime explains the existence of demons and Hell, we're treated along with Shou to a series of creepy visuals:
- Like in other Happy Science movies, Hell is depicted as a horrid place where shadows lurk before fading to a scene of a salaryman being possessed by a demon and angrily pursuing the other who passed by, implying the former's going to kill the latter. Then, a supercar crashes into Shou, disintegrating into banknotes and credit cards at the last minute. Then he is taken above what seems to be a decadent city, with signs taken from a Red Light District shining around him.
- When Sakuya explains that they also invoke anger and hatred amongst countries and ethnicities, Shou is treated to visuals of war set to the sound of screaming people.
- Tathagata Killer. Being a tyrannical despot who seeks to destroy all religion and unite the world under his iron-fisted rule makes him intimidating, and he becomes scarier as the film progresses.
- One of his first scenes has him bind the hands of a member of his board of directors with his whip and yank him into the table. Tathagata ignores the man's pleas for his life before electrically charging his whip, cooking the poor bastard to death as he lets out painful screams to the horror of Leika Chan and the other directors. All because he doubted the usefulness of Leika's technology.
- He becomes scarier still after a demon possesses him. When he starts up research for the "Ultimate Destruction Weapon," Leika Chan begs him to stop as it will destroy Earth. Once she realizes he's possessed, Tathagata's eyes shrink before emitting a red shine as the torches in the chambers flash brighter, startling her.
- When Leika went to the door, Tathagata telekinetically lifted the furniture to barricade it. She gasps in horror as the man walks menacingly and projects an energy claw from his hand to strangle her from a distance. While she escapes and uses her bracelet to stun him before rearranging the furniture and leaving, it's a pretty chilling scene.
- The demonic Chinese dragon he summons in response to Yamata-no-Orochi devouring his fleets sports a wrathful expression, and its scales have a thoroughly unnatural metallic purple-and-dark-green sheen. The shaky CGI work can easily increase the scare factor.
- The demon possessing Tathagata revealing itself after the man's electrocution. It looks like a smoke construct whose "face" looks like a black skull with eyes and white hair. When the movie makes a dramatic zoom to its eyes, they have black sclera with bulging yellow irises surrounded by red rings, making it look like Death (or something even worse) is staring at you. Not helping matters is that the demon's first course of action is destroying Theta's bracelet and forcing her to activate the UDW.
- Unlike its vessel, it seeks to destroy the world and "bring tears to God's eyes." Knowing how demons work in these films, such a scheme involves humiliating and killing Shou Shisimaru to crush humans' faith in the Savior. Then as all humans throughout the planet become nihilistic and submit to the Godom Empire out of despair, the Earth will awaken and sink all continents underwater.
- Moreover, Shou's visions imply that had the demon succeeded in launching the UDW to hurry along humanity's damnation, its kind would have taken advantage of the survivors' mental state to wreak merry havoc on Earth as its consciousness cleaned it up. Knowing the fifth film literally demonizes suicide victims according to Happy Science teachings, this becomes even scarier: losing a loved one to suicide in the middle of a dying Earth may cause the others to follow suit in their despair, especially when the alternative is fighting demon-possessed people over dwindling resources every waking moment while surviving a Reptilian invasion. Conversely, those who choose to remain alive will be screwed when those deceased return as evil spirits hellbent on killing them.
- When the enlightened Shou exhorts all citizens of the world to pray and give him power to stop the demon, it gloats about how it's too late while hovering and assuming a bird-like form before flying into the sky into a gigantic red-and-black storm cloud all over Japan.
- The real kicker is, that given the little information we get from it, the demon is implied to be Satan from the second film. If we go by Theta's narration about a bloodthirsty race causing a war between Vega and other two planets in Lyra, as well as Utika being in Venus' Spirit World, Satan may have been involved in corrupting civilizations from other planets into wars by invading their spiritual worlds even after getting slain, given his latest life was as an Earth-born denizen from a warlike race of cat people.
- Given he caused previous civilizations' demises in revenge for being cast into Hell, this movie would imply that Satan came to despise Siddhartha Gautama as the latter's willingness to attain enlightenment could threaten the former's demonic hold over Earth. Therefore, this could imply he futilely tried to bring down the Buddha by any means possible, be it through Mara's temptations in the second film or Devadatta's schemes in the third film.
- This failure eventually drove Satan to manipulate and possess the man who would become known as Tathagata Killer, kickstarting an imperialistic, violent campaign against religion while building the UDW to ensure most people die without knowing the Savior, be it from the explosion or the Earth's consciousness causing a planet-wide cataclysm.
