There are multiple bands with this name:
1) Abyssal is an atmospheric blackened death/doom metal band from the UK. Since forming in 2011, they have released three full-lengths. They are currently signed to Profound Lore Records.
Their music will likely appeal to fans of Mitochondrion, Ævangelist, Desolate Shrine, Portal, Impetuous Ritual, Embrace of Thorns, Auroch, and/or Bölzer.
Bigcartel: http://abyssal.bigcartel.com/ Read more on Last.fm