The TL;DR of it is, the game is a masterpiece and my new fave in the series surpassing even Ys VIII.
Now for my full detailed review.
Story: Ys VIII laid the groundwork for a more story driven Ys and Monstrum Nox just amplified it by 11. This is the most detailed and narrative driven Ys game to date and it's a fantastic one at that. It has a much darker, oppressive and mature tone than any other Ys game and it works incredibly well with the setting.
The basic premise is Adol and Dogi arrive in the prison city of Balduq, Adol immediately gets detained for suspicious activity due to his past adventures, Adol escapes the prison and on his way out he meets a mysterious woman name Aprilis who shoots him with a magical bullet turning him into a Monstrum. A cursed superhuman being with paranormal powers who is bound to fight demons in a parallel dimension called the Grimwald Nox, oh and they can't leave the city. So now Adol must break his curse to escape the city and be able to set off on his next adventure.
The story honestly blew me away in this game. I see people say it's inferior to VIII, but while Ys VIII had a solid story it wasn't the story that made that game incredible, it was that feeling of adventure. Ys IX doesn't have as much of that feeling because the whole point of the game is Adol is trapped from going on his next big adventure, he has to break this curse so he can be free to go on another adventure basically, but what it lacks in that tone and feeling it makes up for with a much more personal story with some incredible plot-twists and mysteries to unravel and the underlying themes of self-discovery and embracing the future while not letting your past define you felt more like something you'd see explored in the Persona or Trails series than it did Ys, but it was executed incredibly well and told a story just as captivating, emotional and memorable as those series are known for.
World-building: It's no secret Falcom are masters of world-building and Ys IX proves that once again. All throughout my playthrough I never got tired of learning about the massive history of Balduq. Between the legends of the ancient Hundred Years War and Saint Rosvita, the Nors mythology and gods (Even if it is just basically Norse mythology lol) to the political struggles of the Romun Empire or something as simple as the business practices of the Pendleton Trading Company, the city of Balduq always felt lively and realistic and easy to be immersed in. Another thing to note is the many mentions and references of Adol's previous adventures by various characters really enhances enjoyment if you've witnessed those older games for yourself.
Characters: I loved every single character in this game. From all 6 major party members to every single NPC that joins as a collaborator for your home base at the Dandelion Bar. They were all fantastically written, with so much depth, detail and development that when I finished the game and played the epilogue saying my goodbyes to every one made me cry because how much I came to love everyone. Even minor NPCs you talk to around the world like Jeannette and Reno have so much personality I know I'll fondly look back on my memories of the people I met in Balduq for years to come. I also have to mention I love the formula of the first 6 chapters being dedicated to learning all about a character of the main party, while slowly unravelling the greater mystery at hand as well.
Combat: This is what Ys has always been known for and Ys IX, simply put, has the best and most fluid combat in the series yet. It takes the same system Ys VIII had with the 3 character party member swapping system, each character having their own attack type of slash, strike or pierce due to different enemies being weak to different types and learning new skills as you level up to assign to various button combinations and execute combos, but polishes and refines to absolute perfection. Also bringing back the Boost gauge from the old Ys games like Origin/Felghana was a really nice touch.
Side Note: Raid battles from Ys VIII are also back, but this time their entire purpose ties into the actual plotline of the game and work much better for it.
Level Design/Exploration: It takes some real balls to have your game take place in 90% one area and it takes even more to actually be able to pull it off. Ys IX most definitely pulls it off. The prison city of Balduq and the outskirts surrounding it are both packed to the brim with secret areas and collectibles to find by utilizing all of the Monstrum's Gift abilities like a wall run, a glide or grapple hook which made the movement and exploration of Ys IX some of the most enjoyable and satisfying of any game I've ever played. All the dungeons were very well designed and fun to explore as well. Yes the visual representation is much more subdued compared to VIII or most other Ys games, but I really couldn't picture this story being told any other way, it wouldn't have kept the same kind of oppressive and claustrophobic tone if you enjoyed being imprisoned in the city because it looks beautiful, not to mention I think the grey, dark and dreary color scheme and gothic scenery helps to contrast the vibrantly colorful and almost visual-kei looking designs of the Monstrums and make them stick out that much more.
Bosses: All the bosses were excellently designed with a lot of later bosses even implementing the use of the various Monstrum gifts in battle in clever ways. The final boss was one of the most epic I've fought in both the whole Ys series and just any video game in general.
Music: Ys is known for having OSTs that are equally as amazing and heart racing as it's fast paced gameplay and Monstrum Nox continues this trend. Sure there's some more variety than usual with more orchestral tracks and melancholic piano pieces for mood setting, but the intense, shreddy neo-classical metal tracks are just as prevalent and you'll hear not only some jaw dropping guitar work, but lots of baroque instruments like harpsichord as well which fit perfectly with the gothic aesthetics.
All in all Ys IX: Monstrum Nox was everything I could've ever wanted and more. Taking all the best things Ys VIII laid the groundwork for and amplifying them to 11, adding an even greater emphasis on story, world-building and character development while staying true to the series lightning fast gameplay and infectiously catchy music along with incredible metroidvania-like exploration makes Ys IX not only the strongest entry in the Ys series to me, but an instant classic, an all time favorite and even a strong contender for Game of the Year, despite the Year just starting. The time I spent in the prison city of Balduq with Adol and friends is not something I'll be forgetting any time soon and I'm already greatly anticipating Adol's next big adventure.
Now for my full detailed review.
Story: Ys VIII laid the groundwork for a more story driven Ys and Monstrum Nox just amplified it by 11. This is the most detailed and narrative driven Ys game to date and it's a fantastic one at that. It has a much darker, oppressive and mature tone than any other Ys game and it works incredibly well with the setting.
The basic premise is Adol and Dogi arrive in the prison city of Balduq, Adol immediately gets detained for suspicious activity due to his past adventures, Adol escapes the prison and on his way out he meets a mysterious woman name Aprilis who shoots him with a magical bullet turning him into a Monstrum. A cursed superhuman being with paranormal powers who is bound to fight demons in a parallel dimension called the Grimwald Nox, oh and they can't leave the city. So now Adol must break his curse to escape the city and be able to set off on his next adventure.
The story honestly blew me away in this game. I see people say it's inferior to VIII, but while Ys VIII had a solid story it wasn't the story that made that game incredible, it was that feeling of adventure. Ys IX doesn't have as much of that feeling because the whole point of the game is Adol is trapped from going on his next big adventure, he has to break this curse so he can be free to go on another adventure basically, but what it lacks in that tone and feeling it makes up for with a much more personal story with some incredible plot-twists and mysteries to unravel and the underlying themes of self-discovery and embracing the future while not letting your past define you felt more like something you'd see explored in the Persona or Trails series than it did Ys, but it was executed incredibly well and told a story just as captivating, emotional and memorable as those series are known for.
World-building: It's no secret Falcom are masters of world-building and Ys IX proves that once again. All throughout my playthrough I never got tired of learning about the massive history of Balduq. Between the legends of the ancient Hundred Years War and Saint Rosvita, the Nors mythology and gods (Even if it is just basically Norse mythology lol) to the political struggles of the Romun Empire or something as simple as the business practices of the Pendleton Trading Company, the city of Balduq always felt lively and realistic and easy to be immersed in. Another thing to note is the many mentions and references of Adol's previous adventures by various characters really enhances enjoyment if you've witnessed those older games for yourself.
Characters: I loved every single character in this game. From all 6 major party members to every single NPC that joins as a collaborator for your home base at the Dandelion Bar. They were all fantastically written, with so much depth, detail and development that when I finished the game and played the epilogue saying my goodbyes to every one made me cry because how much I came to love everyone. Even minor NPCs you talk to around the world like Jeannette and Reno have so much personality I know I'll fondly look back on my memories of the people I met in Balduq for years to come. I also have to mention I love the formula of the first 6 chapters being dedicated to learning all about a character of the main party, while slowly unravelling the greater mystery at hand as well.
Combat: This is what Ys has always been known for and Ys IX, simply put, has the best and most fluid combat in the series yet. It takes the same system Ys VIII had with the 3 character party member swapping system, each character having their own attack type of slash, strike or pierce due to different enemies being weak to different types and learning new skills as you level up to assign to various button combinations and execute combos, but polishes and refines to absolute perfection. Also bringing back the Boost gauge from the old Ys games like Origin/Felghana was a really nice touch.
Side Note: Raid battles from Ys VIII are also back, but this time their entire purpose ties into the actual plotline of the game and work much better for it.
Level Design/Exploration: It takes some real balls to have your game take place in 90% one area and it takes even more to actually be able to pull it off. Ys IX most definitely pulls it off. The prison city of Balduq and the outskirts surrounding it are both packed to the brim with secret areas and collectibles to find by utilizing all of the Monstrum's Gift abilities like a wall run, a glide or grapple hook which made the movement and exploration of Ys IX some of the most enjoyable and satisfying of any game I've ever played. All the dungeons were very well designed and fun to explore as well. Yes the visual representation is much more subdued compared to VIII or most other Ys games, but I really couldn't picture this story being told any other way, it wouldn't have kept the same kind of oppressive and claustrophobic tone if you enjoyed being imprisoned in the city because it looks beautiful, not to mention I think the grey, dark and dreary color scheme and gothic scenery helps to contrast the vibrantly colorful and almost visual-kei looking designs of the Monstrums and make them stick out that much more.
Bosses: All the bosses were excellently designed with a lot of later bosses even implementing the use of the various Monstrum gifts in battle in clever ways. The final boss was one of the most epic I've fought in both the whole Ys series and just any video game in general.
Music: Ys is known for having OSTs that are equally as amazing and heart racing as it's fast paced gameplay and Monstrum Nox continues this trend. Sure there's some more variety than usual with more orchestral tracks and melancholic piano pieces for mood setting, but the intense, shreddy neo-classical metal tracks are just as prevalent and you'll hear not only some jaw dropping guitar work, but lots of baroque instruments like harpsichord as well which fit perfectly with the gothic aesthetics.
All in all Ys IX: Monstrum Nox was everything I could've ever wanted and more. Taking all the best things Ys VIII laid the groundwork for and amplifying them to 11, adding an even greater emphasis on story, world-building and character development while staying true to the series lightning fast gameplay and infectiously catchy music along with incredible metroidvania-like exploration makes Ys IX not only the strongest entry in the Ys series to me, but an instant classic, an all time favorite and even a strong contender for Game of the Year, despite the Year just starting. The time I spent in the prison city of Balduq with Adol and friends is not something I'll be forgetting any time soon and I'm already greatly anticipating Adol's next big adventure.