The Rime of the Ancient Mariner stage of the mariner's curse is lifted after he appreciates the sea creatures swimming in the water. Despite his cursing them as "slimy things" earlier in the poem, he suddenly sees their true beauty and blesses them ("a spring of love gush'd from my heart, and I bless'd them unaware"); suddenly, as he manages to pray, the albatross falls from his neck and his guilt is partially expiated. The bodies of the crew, possessed by good spirits, rise again and help steer the ship. In a trance, the mariner hears two spirits discussing his voyage and penance, and learns that
The Book of Souls subject of particular praise, with PopMatters calling it a "masterpiece" and "every bit as spellbinding as 1984's 'Rime of the Ancient Mariner' [from 1984's "Powerslave"]". AllMusic described it as "a heavy metal suite, unlike anything in their catalogue". Although Blabbermouth.net and "NME" did not agree that it matches "Rime of the Ancient Mariner", the former stated that it is "worth every single minute as a cinematic-sounding encapsulation of the band's career", while the latter called it "the pièce-de-résistance". It also received a positive response from "Classic Rock", who deemed it a "stunning piece of work", while "Billboard" labelled it "a