Gender: Female Race: Human Known as "Number One" in Lux. She has red hair in a bob cut. She runs an armor shop and has a tomboyish personality. A master smith of swords and armor, she crafted the weapons for Guest and Debili. She can also imbue blades with elemental attributes. She has many identical twins stationed at outposts throughout Tenebrae, designated as Number XX, who also work as smiths. They share thoughts and memories. Incidentally, they are surprisingly ubiquitous.

Gender: Male Race: Human He wears a bucket on his head and dons cheap, tattered armor with a green cloak. Everything except his sword is second-hand. He acts arrogant but is incredibly weak. He always hangs around rest areas and never actually goes out on adventures. When Guest threatens to report this to the authorities in Lux, he becomes a pathetic mess, offering money or anything else to keep them quiet. He is a pervert and gets a nosebleed whenever he sees a beautiful woman.

Gender: Female Race: Unknown She has long purple hair with bangs that cover her eyes. She wears no clothes, but her hair strategically covers her body. Taciturn. Her lower body is that of a giant spider. She wields a Greatsword of Fire. She lives in and guards a massive cave in eastern Tenebrae with extreme elevation changes where a fall would be fatal. The cave is named Orien, and it is littered with the remains of past adventurers. If Diablus is defeated, light returns to the eastern side of Tenebrae. Also known as Diablus, Messenger of Darkness.

Gender: Female Race: Human Clad in majestic golden armor and a golden lion helmet. She wears a red scarf. She wields a lightning-attribute spear and possesses incredible speed. A proud warrior with refined manners. She is the guardian of the castle atop the mountain in northern Tenebrae, protecting it alongside Malleus. She trusts Malleus deeply, making their coordination difficult to overcome. If defeated, light returns to the northern lands of Tenebrae. The castle is named Castrum. She once pursued Malleus but eventually agreed with her ideals and turned against Lux. Also known as Hast, the Golden Traitor.

Gender: Female Race: Human Incredibly massive, twice the size of Hast. Clad in majestic golden armor and a golden lion helmet. She wields a large lightning-attribute hammer; she is slow but possesses overwhelming destructive power. Originally a criminal, she escaped and reached the castle. She trusts Hast deeply, making their coordination difficult to overcome. If defeated, light returns to the northern lands. She was always dissatisfied with Lux's policies, but after being imprisoned on false charges, she broke out, fled to Tenebrae, and persuaded Hast to join her. Having gained power, she now rules the northern castle. Also known as Malleus, the Golden Sinner.

Gender: Unknown Race: Undead A collective of souls living in a massive dark lake in southern Tenebrae. Details are unknown, but it harbors a deep hatred for Lux and drives away anyone who approaches with sheer terror. It changes form when driven into a corner. The lake is named Laculus. Also known as Animuus of Premonition.

Gender: Unknown Race: Undead The right side of the face is that of a beautiful girl with long black hair, but the left side and the rest of the body are that of a hideous green merman. An expert swimmer with fast movements, it spits acidic water. This is the form Animuus takes when in a crisis. Defeating it brings light to the southern part of Tenebrae. Also known as Pisceu of Terror.

Gender: Female Race: Dragon Long white hair. Her skin is covered in green dragon scales, with orange veins pulsing through. She has orange horns. She is wreaking havoc in western Tenebrae. Constantly irritable, she feels like destroying everything. Exploration of the west has not progressed at all—it doesn't even have place names—entirely because of Destro. Everyone who has gone to explore has died. Defeating her brings light to the west. Also known as Destro of Destruction.

Gender: Female Race: Undead Black hair in a bob cut, clad in majestic and incredibly hard steel armor. She wears a blue cloak. Her right arm is missing. When light has been restored to all lands, she stands alone in a place that somehow remains dark. She wields a greatsword with Evil and Magic attributes and uses magic. She is extremely powerful; ordinary adventurers stand no chance against her. Her presence is overwhelming. Crystal, Evil, and Magic attributes have no effect on her.