Primordial Blue / Rain, a subordinate serving Guy. Along with Misery, she is one of Guy's confidants. Gender: Female. Lord of Literature (Belverda): An Ultimate Skill granted by Guy. It possesses the authority to alter the laws of the world. She has a free-spirited, very easygoing, and highly inquisitive personality.

Primordial Green / Misery, a subordinate serving Guy. A high-ranking existence even among the Primordial Demons. Gender: Female. Lord of Charity (Amir): An Ultimate Skill granted by Guy. An authority specialized in support and governance. She is extremely serious and deeply loyal to Guy, while often being exasperated by her colleague Rain and constantly worrying about others.

Primordial White (Blanc) / Testarossa, later a subordinate of Rimuru (one of the three demon girls). A wielder of "Death Blessing." Gender: Female. Lord of Death (Beelzebuth): Uses Death Streak to rewrite genetic sequences and cause instant death. God of Hell (Naberius): A God-King class skill that manipulates the cycle of spirit and life. She has a haughty, intelligent, and elegant perfectionist personality.

Primordial Red (Rouge) / Guy Crimson. An incarnation of destruction who favors "Nuclear Magic." Gender: Male. Lord of Abyss (Abaddon): Tears through dimensions. It maximizes overwhelming destructive power and the potency of Nuclear Magic. God of Spirits (Jizar): A God-King class skill that instantly converts massive amounts of Magicules (Mana) into attack power. Sees through all things.

Primordial Black (Noir) / Diablo. Gender: Male. He is a Demon Lord. Lord of Temptation (Azazel): An authority to completely dominate opponents through mental interference, thought control, and hallucinations. God of Void (Azathoth): An Ultimate Skill. It distorts the principles of the world. He acts ruthlessly and cruelly toward enemies or the insolent. One of Carrera's subordinates, known as Carrera's left hand.

Title: Known as the "Tyrant of Destruction (Destroy)," she reigns as one of the oldest Demon Lords alongside Guy Crimson. Gender: Female. Personality: Innocent and naive, she loves fun things and food (especially honey), but when angered, she becomes an uncontrollable incarnation of destruction. Lord of Wrath (Satanael): An Ultimate Skill that uses anger as a power source to infinitely multiply Magicules. When used, she becomes unstoppable. Dragon Eye (Milim Eye): An analytical ability to see through an opponent's Magicule count, the true nature of their skills, and their secrets.

Primordial Violet / (One of the three demon girls). Possesses the highest level of cruelty. Gender: Female. First person: I (Boku-musume, tomboyish/soft) Lord of Deadly Poison (Samael): Inflicts all kinds of status ailments such as instant death, poison, insanity, and disease on the opponent. God of the Underworld (Mephisto): A God-King class skill that manipulates the boundary between life and death to shatter the opponent's mind. She reigns as a subordinate of Carrera and is known as Carrera's right hand.