More demonical can be substituted with many different words that carry similar meanings. Some synonyms for this word might include demonic, diabolical, hellish, fiendish, infernal, evil, sinister, wicked, and malevolent. Each of these words connotes something dark, evil, and sinister, suggesting the presence of demonic forces or malevolent intentions. Whether used to describe a character in a story or an actual person, such words convey a sense of dread and fear, creating an ominous atmosphere and building tension. When looking for synonyms for more demonical, it's important to consider the context and tone of the sentence to choose the most appropriate word.