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Is Devastation of Baal worth reading? Yes — it’s the definitive modern Blood Angels novel and one of the best “last stand” stories in Warhammer 40,000. Guy Haley brings the sons of Sanguinius and their successor Chapters together to defend their home world of Baal against a Tyranid hive fleet that has come to devour everything — and pushes the noble, doomed angels to the very edge of extinction.
This review is spoiler-light. For more picks, see our best Warhammer books guide.
Where to Buy Devastation of Baal
Our pick of edition: The Devastation of Baal (Kindle edition).
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What is Devastation of Baal about?
Hive Fleet Leviathan — one of the largest Tyranid invasions the galaxy has ever seen — descends on Baal, the Blood Angels’ arid home world. Commander Dante, the ancient Chapter Master, summons the Blood Angels and all their successor Chapters home for a war of survival: a gathering of the entire bloodline to hold one world against an ocean of living hunger.
The siege that follows is desperate, attritional, and magnificent. Haley uses it to explore the whole Blood Angels bloodline — their nobility, their curses, and the Red Thirst and Black Rage that haunt every son of Sanguinius — while the Tyranids grind them down world-layer by world-layer.
Why it works
- It’s the Blood Angels at their most Blood Angels. Nobility, tragedy, and doomed heroism, distilled into a single overwhelming siege.
- The scope is huge. Bringing the successor Chapters together makes this feel like a defining event, not just another battle.
- Great character work. From the ancient Dante to the death-defying Chief Librarian Mephiston, the leads carry real weight.
- The Tyranids are terrifying. Haley writes Leviathan as a genuinely existential threat — implacable, endless, and horrifying.
The good
- A landmark modern Blood Angels story and an essential read for fans of the Chapter.
- Epic, emotional siege warfare with real stakes for the whole bloodline.
- Ties into the current era — it sits alongside the events reshaping the galaxy in Dark Imperium.
The not-so-good
- It’s long and grim. The attritional siege is the point, but it’s a heavy, sustained read.
- Large cast. With the whole bloodline present, some characters get less room than others.
- Best with some Blood Angels context — our Red Thirst and Sanguinor lore pages help.
Who should read it?
- Blood Angels fans — this is the modern novel for your Chapter.
- Readers who love a great siege or last-stand story.
- Anyone following the current 40k era and the fate of the Imperium’s defenders.
Pair it with our lore piece Blood Angels vs Orks: The Lore Behind the Armageddon Box for more of the sons of Sanguinius at war.
Verdict
Devastation of Baal is a sweeping, sombre epic that takes the Blood Angels to the brink and finds their nobility intact. It’s the definitive modern novel for the Chapter and a superb siege story in its own right — grim, grand, and genuinely moving.
Our rating: 8 / 10 — the essential modern Blood Angels novel.
Frequently Asked Questions
Do I need to read other books before Devastation of Baal?
No — it’s largely self-contained, though a little Blood Angels background (the Red Thirst, the Black Rage) deepens it. It also pairs naturally with the current-era events of Dark Imperium.
Is Devastation of Baal part of a series?
It stands alone but connects to the wider Blood Angels and current-era 40k storylines, and is followed by further Blood Angels novels.
Who are the Blood Angels fighting in the book?
Hive Fleet Leviathan — a massive Tyranid invasion — besieging the Blood Angels’ home world of Baal.
Who wrote Devastation of Baal?
Guy Haley, who also wrote Dark Imperium and many other Space Marine and Primarch novels.
What is the Blood Angels’ homeworld?
The Blood Angels’ homeworld is Baal, an arid, radiation-scarred desert world where their fortress-monastery stands. Baal has two moons, Baal Prime and Baal Secundus, and it was on Baal Secundus that the infant Sanguinius was found and raised. The Chapter recruits from the tribes of the Baal system, which is why the whole bloodline treats it as sacred ground.
What happened to Baal in 40k?
Baal was besieged by Hive Fleet Leviathan around the time the Great Rift opened, and the Blood Angels and their successor Chapters gathered there for a last stand. They held the fortress-monastery at a terrible cost until Roboute Guilliman’s Indomitus Crusade fleet arrived and broke the siege. The moons Baal Prime and Baal Secundus were stripped of life by the Tyranids.
Is Baal a real planet in the Warhammer 40k setting or just the moon Sanguinius grew up on?
Both exist. Baal is the main planet of the system and the seat of the Blood Angels, while Sanguinius grew up on Baal Secundus, one of its two moons. Novels and codexes often say ‘Baal’ loosely for the whole system, which is why the names get mixed up.