Despite the relative commercial success of what followed, Rollins Band would never again reach this level of power and consistency. The meld of rock and metal creates an apocalyptic soundscape, the band tight as a wire—and Rollins howls and growls through the storm with frightening intensity. Subsequent releases would see Rollins increasingly rely on a spoken word delivery swirled around inconsistent material, some of which is depressing in its mediocrity, leaving EOS to be the man’s last stab at greatness.