ORGANIC BRAIN DISORDER “Gruesome Acts Of A Deranged Mind”

OATH OF DAMNATION “Fury and Malevolence”

ORGAN DEALER “The Weight Of Being”

OHIO SLAMBOYS “Chop, Drill, Kill”

OBSCURE RELIC “First Black Communion” digi

Olamot “Realms”

Ophiocordyceps “Anthropocene”

ORPHAN AUTOPSY “Blistering Deprive From Sanity”

Oneiric Celephaïs “The Obscure Sibyl” digi

Omnioid “22022022”

Obtenebris “Dust Of Time”

Omnioid “Regurgitated Inexistential Pestilence”

Obstetra “The Evolution Paradox”

OBLIGATORISK TORTYR “Obligatorisk Tortyr”

Öldöds “Öldöds”

OS “Stationes Viae Mortis”

Oldskull “Nether Hollow of No Return”

Omnivorous “Omnivorous”

ONCOLOGY “Omniversal Antigenesis”

Onirophagus “Endarkenment”

Obsoletenova “Unfathomable”

Orategod “Fall Slowly Until The Hell Abyss”

ONRYŌ “Mūto”

Odiusembowel / Sexual Atrocities split

OHIO SLAMBOYS “ZOMBIE KILLING PROCESS”

Ophiocordyceps “Delusional Infestation Of Mutated Pathogens”

Ophiocordyceps “Psycho Degenerative Dysfunction Induced By Parasites Inoculation”

Osseltion “Last Words”

Obsoletenova “Malfunction In Sencory Illusion”

Ovarian Despoilment “Ustulate Monuments​”

OPIUM “Necrology Disorder”

Obsolete Mankind “False Awakening”

OPIUM “NECROLOGY DISORDER”

OMNIVOROUS “Age of Maelstorm”

Obscenity “Retaliation”

OBEISANCE “Hellbent On Slaughter”

OUTCAST “MASS MURDER FANTASIES”

ONOMASY “Between Two Worlds”

OSSARIUM “Emanation”

Oblivion “Called To Rise”

Omnipotent Hysteria “Forged In The Embers Of Monolithic Devastation”

Ochorid “Process Of A Rotting Worlds”

ONCOLOGY “Infinite Regress”

OBSOLETE INCARNATION “Eradication Of Society”

Orgiastic Rebirth “Corridors Of Repugnant Suffering”

Ossuary Anex “Mutilation Through Prayer”