Ragna Crimson Review
by Daiki Kobayashi
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Quick Take
- A weak dragon slayer teams up with a mysterious warrior from the future to kill gods
- Starts slow but evolves into one of the most ambitious action manga in recent years
- Crimson is one of manga's most compelling antiheroes — dark, driven, morally complex
Who Is This Manga For?
- Fans of ambitious dark fantasy action
- Readers who want morally complex protagonists in their action manga
- Anyone who stuck through Berserk — similar 'underdog faces impossible odds' energy
- Manga readers who want an ongoing series with high power-fantasy satisfaction
Content Warnings & Age Rating
Age Rating: T (Teen) Content Warnings: violence, dark themes
Please check these warnings before reading.
Yu's Rating
| Category | Score |
|---|---|
| Story Depth | ★★★★☆ |
| Art Style | ★★★★☆ |
| Character Development | ★★★★☆ |
| Accessibility for Non-Japanese Readers | ★★★☆☆ |
| Reread Value | ★★★★☆ |
Story Overview
Ragna is a weak dragon slayer who barely survives each hunt, but possesses an extraordinary ability to learn from stronger fighters. His partner Leonica, a prodigy dragon slayer, is fated to die. Then Crimson appears — a warrior from a future where dragons have won, who has returned to the past to ensure a different outcome. Crimson is ruthlessly powerful and has already decided the outcome: the gods of dragons must die. Ragna, caught up in this scheme, must grow into someone capable of fighting beside Crimson.
Characters
Ragna starts as seemingly ordinary and slowly reveals depths. Crimson is the series' real standout — cold, powerful, operating on a different moral calculus from typical heroes, with a backstory that makes his ruthlessness understandable and tragic. Leonica is a strong female character whose presence drives Ragna's motivation.
Art Style
Kobayashi's art is detailed and dynamic. The dragon designs are memorable — genuinely alien rather than standard fantasy dragons. Action sequences are well-composed and scale from intimate sword fights to god-level destruction as the series progresses.
Cultural Context
Ragna Crimson exists in a tradition of 'monster hunter' manga, but escalates the premise toward cosmic conflict. The gods of dragons draw from various mythological traditions filtered through Kobayashi's imagination. The time-travel element is used sparingly but effectively.
What I Love About It
I didn't expect to love Ragna Crimson as much as I did. The first few volumes felt like setup, competent but not exceptional. Then Crimson's full backstory revealed itself, and the series transformed. A character who has already lived through the apocalypse, who knows exactly what's at stake, who has sacrificed everything — watching him navigate the past with this burden is genuinely affecting.
What English-Speaking Fans Say
International readers often recommend pushing through the early volumes, with the payoff in the mid-series being praised as exceptional. The anime adaptation helped draw new readers. Crimson is consistently cited as one of the best characters in recent action manga.
Memorable Scene ⚠️ Spoiler Warning
Spoiler Warning: Crimson's full backstory — what the future looked like before he went back — lands with devastating impact. The cost of his mission, and what he gave up, makes every subsequent action scene feel weightier.
Similar Manga
- Goblin Slayer — Dark fantasy monster hunting with serious tone
- Claymore — Female warriors hunting supernatural creatures — classic
- Berserk — The ultimate dark fantasy action — if you want more, start here
Reading Order / Where to Start
Start from Volume 1. Push through early volumes — the series rewards patience.
Official English Translation Status
Status: Ongoing Publisher: Square Enix Manga Volumes Available in English: 10 of 15
Pros & Cons
Pros:
- Crimson is an exceptional character
- Escalates ambitiously
- Dragon designs are creative
- Time-travel mechanic used well
Cons:
- Slow early volumes
- Power levels escalate rapidly — keep up
- Ongoing — waiting for new volumes
Format Comparison
| Format | Link | Notes |
|---|---|---|
| Paperback | Amazon | Square Enix Manga edition |
Where to Buy
You can find Ragna Crimson on Amazon:
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Written by
Yu
Manga Enthusiast from Japan
I grew up in Japan and manga literally saved me during a tough time in elementary school. My English isn't perfect, but my love for manga is real — and I want to share it with you.
Disclosure: This post contains affiliate links. As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.