Original: Although Åkerfeldt initially believed the band could not finish both albums, Opeth completed Deliverance and Damnation in just seven weeks of studio time, which was the same amount spent on Blackwater Park alone.
Simplified: Although Åkerfeldt first believed the band could not finish both albums, Opeth completed Deliverance and Damnation in just seven weeks of studio time, which was the same amount spent on Blackwater Park alone.