Aware that they `` could n't top `` Reign in Blood '' '' , and that whatever they recorded would be `` compared to that album '' , he believed they `` had to slow down '' , something Slayer had never done on albums before , or since .
They knew that they `` could n't top Reign in Blood '' , and that whatever they recorded would be `` compared to that album '' , he believed they `` had to slow down '' , something the band had never done on albums before , or since .