The phrase "cold purgatorial fires" may seem like an oxymoron at first glance, but it actually refers to a state of spiritual punishment or purgatory. There are a variety of synonyms that can be used to describe this concept, such as "spiritual torment," "purifying pain," or "soul purification." Other terms that convey a similar idea include "expiation," "atonement," or "penance." In essence, all of these words and phrases describe a state in which an individual must undergo a period of suffering in order to atone for past wrongs or to achieve a state of spiritual purity.