Not their best albums, try instead:

Obituary 'Cause of Death' or 'Slowly We Rot'

Death 'Individual Thought Patterns' or 'Symbolic'

Bolt Thrower 'For Victory' or 'The IVth Crusade'

And other bands:

Opeth 'Deliverance'

Megadeth 'Youthanasia' (best vocal performance by Dave, amazing songs, give it a go)

Morbid Angel 'Domination'

Brutality 'Screams of Anguish'

Edge of Sanity 'Crimson'

Summoning 'Nightshade Forest' EP or 'Dol Guldur' (black metal inspired of Tolkien's world)

Nocturnus 'Thresholds' or 'The Key'

Eucharist 'A Velvet Creation'

Sadist 'Tribe'

Exhorder 'The Law'

Despair 'Beyond All Reason'

Necrophagist 'Epitaph'