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What K-Pop Demon Hunters Gets Right About Korean Fortune Telling

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Mina Park

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Dec 16, 2025
9 min read
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What K-Pop Demon Hunters Gets Right About Korean Fortune Telling

I watched K-Pop Demon Hunters at two in the morning on a random Tuesday because my algorithm decided I needed to see animated idols fighting demons, and honestly I wasn't going to argue with that recommendation because sometimes your Netflix suggestions just know things about you that you don't want to examine too closely. But here's what caught me completely off guard: this movie actually understands Korean supernatural traditions in a way that most Western productions absolutely butcher, and as someone who has spent an embarrassing amount of time researching saju astrology for a K-pop idol compatibility calculator, I noticed details that made me pause the movie multiple times to take notes.

The film has now crossed four hundred million views on Netflix and is officially their most-watched title of all time according to recent reports from Variety, which means a lot of people are getting exposed to Korean mythology whether they realize it or not. And surprisingly, most of what they're absorbing is pretty accurate.

The Saja Boys Aren't Just a Cool Name

When the movie revealed that the rival boy band was called the Saja Boys and they were secretly demons, I actually said out loud to my empty apartment that this was genuinely clever wordplay because I'm apparently the kind of person who talks to furniture now. The name works on two levels that most international viewers probably miss entirely. "Saja" in Korean means lion, which explains their lion head logo and why their fandom is called "the Pride." But it also sounds nearly identical to jeoseung saja, which is Korea's version of the grim reaper.

According to The Korea Herald's breakdown of the mythology, the jeoseung saja are somber, dutiful messengers of the afterlife who guide souls to the underworld under King Yeomna, the ruler of the Korean netherworld. They're not evil and they don't kill anyone, which is actually different from Western grim reaper concepts. They just show up when it's your time and make sure you get where you're supposed to go, like really intense airport shuttle drivers for the deceased.

Co-director Chris Appelhans confirmed in interviews that the Saja Boys' look in the third act reveal is directly based on jeoseung saja imagery, specifically the black hanbok and the wide-brimmed hat called a gat. This visual tradition was cemented in Korean popular culture by a KBS anthology series called Korean Ghost Stories that aired throughout the seventies and eighties, and it's still the dominant image that Koreans picture when they think about death messengers.

Why This Connects to Korean Fortune Telling

Here's where things get interesting for anyone who cares about saju or Korean astrology. The jeoseung saja mythology and Korean fortune telling practices both come from the same cultural wellspring: Korean shamanism, or what's called musok in Korean. Both traditions operate on the assumption that there are invisible forces governing our fates, and that certain people with the right knowledge can understand or even negotiate with these forces.

Korean fortune telling isn't one single practice but rather a collection of different methods that have evolved over literally thousands of years. Saju, which analyzes your Four Pillars of Destiny based on birth year, month, day, and hour, is probably the most systematic approach. But there's also gwansang, which is face reading, and there are shamanic divination practices where mudang, or Korean shamans, communicate directly with spirits to gain insights about someone's fate. The movie touches on this broader ecosystem of Korean fortune telling by showing how the supernatural world operates according to rules that humans can learn to understand.

In traditional saju practice, your birth chart doesn't just predict your personality or who your ideal K-pop bias match might be. It's considered a map of the cosmic energies that were present at the exact moment you entered this world, and those energies supposedly influence everything from your career prospects to your relationships to your health throughout your entire life. The philosophical foundation is that the universe operates according to patterns, and if you can read those patterns, you can navigate life more effectively.

The jeoseung saja work within this same framework. King Yeomna, who commands them, judges souls based on their deeds in life, which implies that there's a cosmic accounting system keeping track of everything you do. This isn't random chaos where death just happens for no reason. It's an ordered supernatural bureaucracy where your fate has already been recorded somewhere, and the saja are just executing the paperwork when your appointment comes up.

What the Movie Gets Right That Others Miss

Most Western films that touch on Asian mythology tend to treat it like a grab bag of cool visual elements without understanding the underlying logic. K-Pop Demon Hunters is different because the supernatural elements actually function according to consistent rules that reflect genuine Korean beliefs.

For example, in traditional Korean shamanism, the number of reapers is typically three. According to The Korea Times' analysis of the film's folklore, during Joseon-era funerary rituals from Hwanghae Province, families would prepare three bowls of rice, three pairs of straw shoes, and three sets of spoons and chopsticks as offerings to honor the three reapers guiding the soul to the afterlife. The Saja Boys having five members is a creative liberty, but the film maintains the core concept that these beings work as a unit rather than as solo operators.

The visual design also evolved accurately within the film's mythology. The Encyclopedia of Korean Culture notes that jeoseung saja originally appeared in shamanistic rituals as military officers dressed in official armor, and many Joseon-era paintings show them wearing bright red rather than black. The shift to the now-iconic black hanbok and pale face combination was a later cultural development that the movie's production team clearly researched.

How This Relates to Your Saju Chart

If you've ever used a saju calculator to check compatibility with your favorite idol, you're engaging with the same cosmological system that creates beings like the jeoseung saja in Korean folklore. Both traditions assume that the moment of your birth locked in certain energetic patterns that will play out throughout your life.

Your day pillar in saju is considered the most important indicator of your core self, while your year pillar, which most people know as their zodiac animal, is more about your outward presentation and generational energy. When you're checking compatibility with an idol, you're essentially comparing whether your cosmic patterns harmonize or clash with theirs.

The movie doesn't explicitly reference saju, but the underlying worldview is the same. The demons in the film aren't random monsters from nowhere. They're supernatural beings operating within a structured Korean cosmological framework where fate, destiny, and the interactions between the living and spirit worlds follow recognizable rules.

The Cultural Moment We're In

K-Pop Demon Hunters winning TIME's Breakthrough of the Year 2025 and earning five Grammy nominations for its soundtrack means Korean mythology is getting mainstream global exposure in a way it never has before. The last time an animated film dominated culture this completely was Frozen in two thousand thirteen, and that movie's cultural impact lasted for years.

What makes this different is that K-Pop Demon Hunters isn't just entertainment borrowing Korean aesthetics for surface-level cool factor. The creative team, including Korean-American filmmakers who grew up with these stories, built the mythology into the foundation of how the fictional world operates. When Western audiences watch the Saja Boys transform, they're seeing a genuine interpretation of Korean death imagery that has been refined over centuries.

For K-pop fans who are already interested in Korean culture, this creates an opportunity to dig deeper into traditions like saju astrology that operate on similar principles. If you find the supernatural elements of the movie compelling, you might also find it interesting that there's an entire system of Korean fortune telling that uses your exact birth time to map out your personality, your compatibility with others, and potentially your life trajectory.

How Korean Fortune Telling Actually Works

Since we're talking about Korean fortune telling and how the movie gets it right, it's worth explaining what saju actually involves for anyone who hasn't encountered it before. The system is based on the idea that the exact moment of your birth, broken down into year, month, day, and hour, creates four "pillars" that each contain information about different aspects of your life and personality.

Each pillar combines a heavenly stem and an earthly branch, which together create sixty possible combinations that cycle through time. Your year pillar represents your ancestral energy and how others perceive you at first glance, which is why most people only know their zodiac animal since that's the most visible part. But Korean fortune telling practitioners consider the day pillar to be far more important because it represents your core self, the person you actually are rather than the face you show to the world.

The interactions between these pillars, and between the five elements of wood, fire, earth, metal, and water that flow through them, create a complex picture that Korean fortune telling experts can interpret to understand someone's strengths, challenges, and compatibility with others. It's not about predicting specific events but rather about understanding the energetic patterns that might make certain paths easier or harder for you.

This systematic approach to Korean fortune telling is what connects it to the cosmological framework in K-Pop Demon Hunters. Both assume that the universe operates according to comprehensible rules, and that fate isn't random but follows patterns that the knowledgeable can read and interpret.

Try It Yourself

The IdolSaju calculator uses traditional saju principles to analyze compatibility between your birth chart and over three hundred fifty K-pop idols. It's based on the same cosmological framework that gives the jeoseung saja their role in Korean mythology: the idea that cosmic patterns at the moment of birth create energetic signatures that can be compared and analyzed.

Whether you believe in fortune telling or just think it's a fun way to engage with Korean culture, checking your compatibility is a way to connect with the same traditions that inspired one of the most successful animated films ever made. Your results might surprise you, or at minimum they'll give you something to think about at two in the morning when you should probably be sleeping instead of analyzing why the algorithm keeps recommending supernatural K-pop content.

Last updated December 2025

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