Studio d'enregistrement situé à Oakland, USA. Ce studio fut géré par le producteur et ingénieur du son Zack Ohren.
Le studio se nomme maintenant Hellam Sound et est géré par Aaron Hellam.
Castle Ultimate Studios
Recorded albums
Solaromancy
Awaken the Dreamers
This Is Where It Ends
Metamorphignition
Listen to the Color
Apocalyptic Feasting
Quantum Catastrophe
Conducting from the Grave
Revenants
When Legends Become Dust
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The Hypothesis
Litanies of Lust Unholy
Nomadic
Rusted Gates EP
Self-Titled
Now We Are Free
Facing the Thousand
Remains of the Gods
Stormchaser
The Hero Cycle
Waiting... The Anticipation Game
Molotov Solution
Obastra
The Day the Star Fell
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Called to Rise
Cryptic Implosion
Deathscapes of the Subconscious
New Order of the Ages
The Farthest Reaches
Demo
Viraemia
Funeral Winds
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Heathen (Remastered)