Melanie Martinez opened the gates to a new era Friday night, launching her HADES: The Sacrifice Tour at Allstate Arena in Rosemont with a theatrical spectacle that transported fans into the darkest corners of her imagination.

Nearly four months after HADES debuted at No. 3 on the Billboard 200, giving Martinez her fourth consecutive Top 5 album, the alternative-pop visionary brought the record’s ominous new world to an arena stage for the first time.

Gone were the candy-colored costumes and childhood imagery that defined much of her earlier work. In their place was a darker, more mature production shaped by mythology, social commentary and the unsettling creativity that has always separated Martinez from her peers.

With Haute & Freddy opening the evening and thousands of elaborately dressed fans helping bring the fantasy to life, the first night of the HADES Tour offered considerably more than a conventional arena concert.

Here are 10 reasons Melanie Martinez’s HADES Tour debut delivered at Allstate Arena.

1. Melanie Martinez welcomed Chicago into the world of HADES

Friday’s concert was the first opportunity for an arena audience to fully step inside the universe surrounding Martinez’s latest album.

While the record introduced listeners to the themes and sounds of HADES, the tour gave those ideas a physical form. Its darker imagery, ambitious production and theatrical presentation established a world that felt more severe, confrontational and dangerous than the environments surrounding Martinez’s previous albums.

Allstate Arena was no longer simply an arena once the performance began. For the night, it belonged entirely to Martinez and the dystopian mythology she had created.

2. The production transformed Allstate Arena into an underworld of her own design

Martinez has never treated visuals as an afterthought. Her concerts are extensions of her albums, with nearly every costume, backdrop, lighting cue and transition contributing to the larger story.

At the center of the new production was a massive video wall stretching across the stage. Martinez’s band performed behind it, frequently concealed by the elaborate visuals projected across its surface. At carefully selected moments, individual sections of the screen became transparent, revealing the musicians through specific pixels without completely abandoning the imagery surrounding them.

The effect allowed Martinez to shift between a cinematic fantasy and a live-band performance, sometimes presenting both simultaneously. Rather than relying upon a disconnected collection of visual effects, she created one cohesive environment that continued evolving throughout the night.

3. Chicago witnessed the very first night of the HADES Tour

There is always something special about opening night. The audience has not already seen every surprise online, the production remains unfamiliar and nobody in the building knows exactly what will happen next.

That made every reveal, transition and live arrangement on Friday a genuine first for an arena audience. Future performances may further refine the production, but those in attendance at Allstate Arena will always be able to say they saw the gates to HADES open first.

4. The show proved every Melanie Martinez era has its own identity

Across four albums, Martinez has repeatedly found ways to transform herself without losing the qualities that make her music recognizable.

CRY BABY introduced the twisted childhood imagery that became synonymous with her early career. K-12 expanded that universe into a feature-length musical, while PORTALS represented rebirth through an otherworldly creature and a dramatically altered visual identity.

Now, HADES begins another transformation.

The new era does not feel like a minor update to what came before it. It has its own atmosphere, language and purpose, adding another fully realized chapter to one of alternative pop’s most elaborate careers.

5. The new music sounded enormous inside an arena

Martinez made an immediate statement with the opening notes of “GARBAGE.”

The singer began the show lying on a bed positioned in the middle of the stage. Almost as soon as the performance started, confetti cannons erupted across the arena, giving the first song, and the entire tour, an appropriately explosive introduction.

That opening captured the scale of the production that followed. The album’s dramatic sound and darker tone gained additional force in a live setting, where every beat, vocal and instrumental swell could reverberate throughout the building. Moments that felt immersive through headphones became overwhelming inside the arena.

It was an immediate demonstration of why Martinez has successfully progressed from theaters to festival headlining slots and arenas around the world.

6. Her fans arrived ready to scream every word

Martinez has accumulated more than 30 billion global streams, but statistics alone cannot fully illustrate the devotion of her audience. That connection was much easier to understand inside Allstate Arena.

Fans arrived dressed for the occasion, transforming the concourses and seats into an extension of the show before Martinez ever stepped onstage. Once the music began, thousands of voices followed her through songs from an album that had only been available for a few months.

That familiarity was especially striking because Martinez did not depend upon decade-old favorites to generate a response. This was not a passive audience waiting to be impressed or impatiently anticipating the hits. It was a community already completely invested in the world of HADES.

7. Martinez committed completely to her new chapter

Anyone expecting a traditional career-spanning setlist quickly discovered that Martinez had something much more focused in mind.

She performed all 18 tracks from HADES, beginning with “GARBAGE” and concluding the encore with “THE LAST TWO PEOPLE ON EARTH.” There were no selections from CRY BABY, K-12 or PORTALS. For this tour, Martinez was not interested in revisiting her previous characters or using familiar hits as a safety net.

It was a bold decision for an arena show, especially with a catalog filled with songs fans have loved for more than a decade. But that commitment allowed the performance to maintain its narrative and visual identity from beginning to end. Rather than interrupting the journey with visits to past eras, Martinez kept the audience firmly inside HADES.

8. The B-stage brought HADES into the middle of the arena

The production extended beyond the main stage through a second platform positioned in the middle of the arena floor.

Martinez moved to the B-stage for a five-song stretch beginning with “GRUDGES” and continuing through “MONOPOLY MAN,” “AVOIDANT,” “MONOLITH” and “WEIGHT WATCHERS.” The smaller stage brought her closer to fans in the center and rear portions of the arena while giving the concert another distinct visual setting.

She returned there once more for the encore, closing opening night with “THE LAST TWO PEOPLE ON EARTH.” Ending from the center of the audience made the show’s final moments feel more intimate, bringing Martinez into the world inhabited by her fans instead of leaving her separated behind the enormous main-stage production.

9. Melanie Martinez remains impossible to confuse with anyone else in pop

Plenty of artists deliver expensive arena productions. Very few create a universe so distinctive that a single costume, character or piece of scenery can immediately identify the performer behind it.

Martinez’s willingness to pursue unusual ideas has always been one of her greatest strengths. Her work can be beautiful, grotesque, playful and disturbing, sometimes within the same song. Even as the aesthetics change, the commitment behind them remains unmistakable.

From beginning the performance on a bed amid an eruption of confetti to concealing her band behind a video wall that could selectively become transparent, the HADES Tour was filled with decisions few other artists would even attempt.

Opening night reaffirmed that Martinez is not interested in following anyone else’s template. She is still constructing a category entirely her own.

10. Haute & Freddy made sure the theatricality began before the headliner

Haute & Freddy proved to be an ideal choice to introduce an evening built around fantasy, individuality and escape.

The Los Angeles duo of Michelle Buzz and Lance Shipp brought its colorful “Royal Court” to the stage, combining alternative pop, theatrical presentation and an eccentric sense of humor. Their performance established early that this would not be an ordinary night of straightforward pop music.

Most importantly, Haute & Freddy complemented Martinez without feeling like an imitation. The duo created a distinctive world of its own, ensuring the journey began well before the audience descended into HADES.

Chicago fans will not have to wait long to see them again, either. Haute & Freddy are scheduled to return to the city later this month for Lollapalooza, which takes over Grant Park from July 30 through August 2. They will also headline an official Lollapalooza aftershow at Thalia Hall on July 31.

Check out our photos from Friday night’s performances below.