Arranged By [Arrangements] – Behemoth (3)
Artwork [All Images], Design [Sleeve Design By] – www.g-r-a-a-l.com*
Bass Guitar – Orion (11)
Co-producer – Arkadiusz Malczewski, Behemoth (3)
Design Concept [Cover Concept By] – Krzysztof Azarewicz, Nergal, Tomasz Daniłowicz
Drums, Percussion – Inferno (9)
Engineer [Engineered By] – Arkadiusz Malczewski
Guitar [Lead And Rhythm], Acoustic Guitar [Acoustics], Vocals [All], Voice [Invocations] – Nergal
Guitar [Session Lead, Rhythm], Acoustic Guitar [Session] – Seth (7)
Lacquer Cut By – MK (11)
Lyrics By – Krzysztof Azarewicz, Nergal
Mastered By – Thomas Eberger
Mixed By – Daniel Bergstrand
Music By – Nergal
Other [All Weapons And War Gear By] – Zenon Darski
Other [Behemoth Is Managed By] – Nergal/New Aeon Musick
Other [Grammatical Consultations With] – Melissa, Sharon E. Wennekers
Other [Hellmask Designed By] – Nergal, Tomasz Daniłowicz
Other [Hellmask Shaped And Finished By] – Zenon Darski
Other [Styling And Make Up By] – Behemoth
Other [The Core Ov Hellmask Construction Made By] – Norbert Grabianowski
Photography By [Photographs By] – Dominik Kulaszewicz, Krzysztof Sadowski (2)
Producer – Nergal
Synthesizer [Synth Arrangements], Orchestrated By [Orchestration Arrangements] – Piotr Bańka
Words By [All Incantations, Spells And Hieroglyphs] – Krzysztof Azarewicz