Helck Review: The Human Hero Who Wants to Join the Demon Army Is Definitely Not Suspicious
by Nanaki Nanao
Read the first volume. If it doesn't hook you, put it down. It'll hook you.
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The Demon King is dead. A tournament will be held to select the next one. The human hero Helck — the most powerful human alive, who should be the demons' greatest enemy — arrives and enters, claiming he wants to join the demon side because he wants to destroy all humans.
I'm Yu. The moment when the full truth of Helck's history is revealed — and the specific expression Vermil has when she understands it — is the series' most affecting moment. The series spent 13 volumes building to it.
Quick Take
- Nanaki Nanao's Helck ran in Shōnen Sunday S — 13 volumes, complete.
- VIZ Media published the complete 13-volume English edition.
- Rated T (Teen) — the first half is comedy; the second half contains dark war and genocide themes.
Story Overview
Demon captain Vermilio — Vermil — is tasked with finding out what Helck is really doing. She is extremely suspicious of him. He is extremely helpful, cheerful, and powerful beyond any reasonable explanation.
The first half follows the tournament and Vermil's investigation — a comedy. Helck being absurdly competent while Vermil escalates her suspicions is genuinely funny, and the supporting cast of demons provides a chorus of increasingly baffled reactions.
The second half reveals what Helck's presence in the demon realm actually means: his past, what happened in the human world, why he is there, and what the conflict between humans and demons is actually about. This half is not a comedy. It is the payoff for everything the comedy established.
Characters
Helck — His specific quality is being completely genuine — not performing kindness or concealing malice. His reasons for being there are real, and they are devastating once revealed. The comedy of his overpowered cheerfulness is inseparable from the tragedy of why he is that way.
Vermilio (Vermil) — Competent, genuinely concerned for the people under her protection, and her growing attachment to Helck is the series' emotional center. Her arc — from suspicion to understanding — mirrors the reader's own experience of the series.
What I Love About It
The tonal transition. Most manga that shift from comedy to serious do it abruptly, or lose what made the comedy work. Helck's transition is gradual and earned — the comedy establishes the characters so fully that when the serious content arrives, the emotional investment is already there.
Helck himself is one of recent manga's best characters: impossibly powerful, genuinely kind, hiding something enormous, and deployed for maximum comedic effect before the series reveals what he is actually carrying.
Memorable Scene ⚠️ Spoiler Warning
The sequence in which the human world's situation is revealed — what happened to the humans Helck left behind, what was done to them and by whom — is the series' most disturbing sequence and the one that makes everything preceding it make complete sense.
Pros & Cons
Pros:
- One of the best tonal transitions in recent manga — comedy to serious, fully earned.
- Helck is an outstanding character whose depth is revealed gradually.
- The second half payoff justifies everything the first half established.
- Complete at 13 volumes with a genuinely satisfying ending.
Cons:
- The comedy first half may deter readers wanting immediate seriousness.
- The dark themes in the second half arrive without much warning from the first.
- Art style is simple — some readers find it plain-looking.
Is Helck Worth Reading?
Yes — one of the best fantasy manga VIZ has published in recent years. The tonal transition from comedy to serious is the series' most impressive structural achievement, and it is handled with more care than most manga manage.
Who Is This Manga For?
- Readers who want fantasy comedy that takes its world seriously once it earns the investment.
- Anyone who enjoys protagonists whose apparent simplicity conceals genuine depth.
- Fans of demon/hero genre inversion that does something interesting with the premise.
- Readers who want completed fantasy manga with an excellent second-half payoff.
Official English Translation Status
VIZ Media published the complete 13-volume English edition. All volumes available.
Where to Buy
VIZ Media's complete 13-volume English edition.
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*Affiliate link — I earn a small commission at no extra cost to you.
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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.
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