This page will cover characters who had very minor roles in the story or were simply mentioned.
Grays (グレイズ Gureizu?) is a teacher in the Demon King Academy. Prior to the scheduled execution of white uniform students, Grays was one of the two teachers Melheis Boran asked to help examine the students that arrived late in case they were Anos Voldigoad's subordinates.
The castle sage (城の賢者 Shiro no Kenja?) is one of the best magicians in Izabella and Gusta's home country. However, like everyone else in the present, their magic is inferior compared to people from the Mythical Age, as they cannot use simple creation magic.
A rugged man with a beard who raised Misha Necron. They are very close, as he enthusiastically cheered for Misha on the day of the entrance exam.
- He is human but has some demon blood in him.
- Sasha suggests that the time they spent together was limited, as she states: "[Misha], who only had the company of a servant when absolutely necessary—[was] always alone."
- In the anime, Misha keeps a letter from him as a good luck charm.
- He is voiced by Shō Okumura.
The Hero Graham (勇者グラハム Yūsha Gurahamu?) was a human hero that was active during the Mythical Age. He was the leader of the 17th division of the Azeshion army and in charge of espionage of the demon domain of Dilhade, as well as tasked with stocking infighting among demons to weaken them and eliminating any that proved too problematic. He led a battalion of elite human troops to investigate the southern border of the demon city Midhaze, with the assistance of the Goddess of Barriers Rinoloros. The battalion was ambushed by a lone demon, Celis Voldigoad, as the battalion underestimated him due to not being familiar with him and believing him to be a demon who was weaker than a "king-level" demon, but they were soon overwhelmed by him as he killed the entire battalion by himself, with Graham only surviving due to blessing of Rinoloros, the power of his holy sword, and the magic of Asc. Before he could be finished off by Celis, the Sorcerer King Bomiras Heros interfered to stop the attack as Bomiras offered to spare Graham and the rest of the humans he captured if Graham answered his questions. After Graham did, Bomiras invited him to his castle for a talk, which Graham accepted, but was decapitated and killed by Celis, with his sword destroying the rest of Graham's body. His head was later taken and used by the misfit Graham, who began using his name due to forgetting his own original name.
The Contradictory Swordsman Babloana (矛盾剣士バブロアナ Mujun Kenshi Baburoana?) is the strongest swordsman among the spirits, with a broken shield in one hand and a broken spear in the other. There are few rumors about Babloana and it's a rare fairy that is hardly ever encountered.
Deadman of Lava
Auslavia (アウスラビア Ausurabia?) is the God of Duplication, who controls the order of duplication/replication. He is the pact god of the former hero Kasim, who imbued Auslavia and his duplication authority into the Holy Feelings Multiplier Sword Exneisis, which Kasim wielded against Lay Glanzudlii. He used Auslavia's authority to duplicate the feeling imbued into Exneisis, thus allowing him to use Asc by himself, as well as using it to duplicate Exneisis as a means of attack.
Beheus (ベヘウス Beheusu?) is the God of Piercing, who controls the order of piercing. He was the pact god of the Giordal knight Gazel Apt Ageila, who imbued Beheus and his piercing authority into the Divine Spear Behetenos, which Gazel wielded against Anos Voldigoad. Beheus was destroyed after Anos defeated Gazel, after Anos used his Dark Purple Magic Eyes to neutralize Beheus' divine power and crush his source. His authority was then plundered and absorbed by Arcana at Ahid Alobo Agatse's orders.
Voldvaizen (フロイズアテネ Furoizuatene?) is the God of Ice and Snow. He was briefly mentioned by Gyetenaros, when he used his Divine Flute of Change Ideedroend to recreate his authority during his duel against Diedrich Kreizen Agaha and Nafta.
Voldvaizen (ヴォルドヴァイゼン Vuorudovuaizen?) is the God of Fire and Heat. He was briefly mentioned by Gyetenaros, when he used his Divine Flute of Change Ideedroend to recreate his authority during his duel against Diedrich Kreizen Agaha and Nafta.