Inner Sanctum

Credits

• Arkadiusz Malczewski
  co, engineer
• Behemoth
  arranger, co
• Daniel Bergstrand
  mix
• Inferno
  drums (drum set)
• Jakub Mańkowski
  choir vocals, chorus master
• Leszek Możdżer
  guest, piano
• Marcin Malinowski
  assistant
• Nergal
  choir vocals, electric guitar, producer, samples from artist
• Orion
  electric bass guitar
• Seth
  electric guitar
• Warrel Dane
  guest