|Origin||Montreal, Quebec, Canada|
|Genres||Black metal, Death metal|
|Labels||Siege of Amida Records|
|Associated acts||Ether, Trails of Anguish, Unquintessence, Leuer, Through Sombre Sorrowfields, Fleshcraft, Humanoid, Torn Within, Jester, Neuraxis, Augury, Vatican, Winter Bestowed, Withdraw, The Last Felony, Adenine, Ion Dissonance|
|Past members||Tommy McKinnon|
The band was formed in 2005 and released a demo in 2005 titled Prelude. The band went on a promotional tour across Ontario & Quebec from January 11 to 19, 2006. They recorded their first full-length album titled Urban Cancer in 2006. They released the album on June 10, 2008 through Candlelight USA. The band then released their second demo titled Interlude in 2009 which was an independent internet only release.
The Metal Observer rated Prelude a 9.5 out of 10.
- Void - Guitars
- Auriel - Bass (2003-2005), Guitars (2005-present)
- Scythrawl - Drums (2005-present)
- Tim Sanders - Bass (2008-present)
- Prelude (Demo) (2005)
- Urban Cancer (Full-length) (2006)
- Interlude (Demo) (2009)
- "Nefastus Dies Announce Southern Ontario Live Dates". Metal Underground. Retrieved 2013-07-19.
- "Nefastus Dies Announces Debut Album, "Urban Cancer," Release Date". Metal Underground. Retrieved 2013-07-19.
- "Underground Review - Nefastus Dies - Prelude". The Metal Observer. Retrieved 2013-07-19.