Released on October 8th, 2001, “Secret of the Runes” is where Therion turned Norse mythology into a full-blown symphonic metal journey.
The concept is built around the Nine Worlds of Yggdrasil, with each main song representing one of those mythological worlds. Heavy riffs, huge choirs, classical arrangements and an atmosphere that feels almost otherworldly make this one of Therion most distinctive albums.
But which tracks deserve the top spots?
“Ginnungagap”
The album wastes no time setting the mood. “Ginnungagap” is heavy, atmospheric and punchy, immediately pulling you into the world of “Secret of the Runes”.
It feels like the gates to the Nine Worlds opening.
“Asgård”
One of the biggest fan favorites “Asgård” brings together driving rhythms, memorable heavy riffs and massive choral layers.
This is Therion in full symphonic-metal mode heavy enough to headbang to, but with that enormous operatic character surrounding every riff.
“Midgård”
“Midgård” keeps the momentum going with a catchy, thundering rhythm and a great balance between metal crunch and symphonic weight.
It’s one of those tracks that makes the album grand concept feel surprisingly immediate.
“Vanaheim”
Fast, vivid and packed with energy “Vanaheim” stands out with its extended neoclassical guitar solos.
If you’re coming to “Secret of the Runes” for the metal side of Therion, this one is definitely worth turning up.
“Muspelheim”
Gregorian chants, angelic female vocals and fast melodic heavy metal “Muspelheim” throws several different textures into the same fire.
The result is dramatic, powerful and unmistakably Therion.
“Ljusalfheim”
Not everything on “Secret of the Runes” needs to crush you.
“Ljusalfheim” takes a more uplifting and harmonious route, with warm acoustic guitars and grounded choirs. Thomas Karlsson, who wrote the album concept and lyrics, also contributes eerie whispering background vocals here.
“Nifelheim”
For something darker “Nifelheim” is a standout. Its heavier and more dramatic orchestration gives the track a colder atmosphere that fits its mythological world perfectly.
“Secret of the Runes”
The title track closes the journey with a melodic heavy metal anthem built around layered male and female choirs.
After traveling through the Nine Worlds, Therion leaves us with a fitting final statement grand, melodic and completely committed to the album concept.
A Different Kind of Symphonic Metal
One of the most interesting things about “Secret of the Runes” is how far Therion pushed the classical side of their sound. The album relies entirely on a professional classical choir rather than traditional metal lead vocals or extreme harsh vocals.
Johnsson also favored unusual orchestral colors, including heavy woodwinds, deep brass, English horn, contrabassoon and Wagner tuba.
And then there are the bonus tracks: symphonic versions of ABBA’s “Summernight City” and Scorpions’ “Crying Days”, with former Therion vocalist Piotr Wawrzeniuk returning for the main rock vocals.
Nine worlds. One album. Plenty of metal.
But which track is your favorite? 🤘
Vote for the track that deserves the crown!






















