Even though I like the Opeth recent albums I would say their strength when it comes to a string of albums is from-
Orchid
Morningrise
My Arms, Your Hearse
Still Life
Blackwater Park
Deliverance
Damnation
Ghost Reveries
Watershed
Orchid
Morningrise
My Arms, Your Hearse
Still Life
Blackwater Park
Deliverance
Damnation
Ghost Reveries
Watershed