October 2005: Raife Hacking and Alex Grimshaw formerly of Coffin Fodder form the band with Dale Linsdell of Adremelech. They call the band DominiSanctum but changed it to Altar of Sin.

November 2005: Craig Wright of Demonica & XIII joins to be 2nd guitarist. Aaron MacKenzie joins to be bassist to complete the line-up.

December 2005: Organise first few gigs at the Attic and the Racehorse. Write more material to go on current set list.

January 2006: Debut and first headlining gig at the Attic, Plays at GOREFEST 2006. Organise tour for 2006. Have first professionally done photoshoot.

February 2006: In studio recording new EP/Album 'Apocalyptic Dawn'. Aaron is fired and replaced by Chris of the band XIII. We also get Headline slot at The Old Angel in Nottingham!!!