Demon

 (魔物, Mamono) is a character in Ousama Ranking and its anime adaption. The Demon is a supernatural evil entity and the ultimate antagonist of Ousama Ranking.

It is the source of many major characters' abilities and afflictions, including Bosse, Miranjo, and Bojji.

Appearance
The Demon is an entity with a generally humanoid appearance, but inhuman proportions. It is even larger than King Bosse, with exceptionally-long limbs and a muscular, though slim, body. It has flaming red skin, black eyes with yellow irises, pointed ears, pointed horns, a shaggy black beard, and a purple mouth held in a permanent heart-shaped rictus with tusks protruding downward.

Personality
The Demon is a largely enigmatic presence, but tends to behave like a traditional devil, tempting mortals with whatever they desire in exchange for heavy costs they typically do not fully understand.

It speaks an unknown language that must be interpreted for others. The only known person who can speak this language is Miranjo.

Plot
Years ago, on the advice of his ally Miranjo, the young adventurer Bosse sought out the Demon in order to become a mighty king. The Demon offered him a simple solution: Bosse could steal his future son's strength and add it to his own. Bosse accepted the offer, setting off the chain of events that would lead to Bojji's adventures.

It has been suggested that multiple characters have struck bargains with the Demon in the past, chiefly Miranjo. Additionally, other characters are aware of the Demon's existence, and regard it as their enemy, namely King Desher.

Supernatural Bargains
The Demon offers all who seek it a bargain, usually phrased in plain but deceptive terms. It is able to wield enormous magic in this way, including transferring one person's strength to another. The extent of this ability is unknown.

Trivia

 * The Demon appears to those who have used its power as they are dying. It appeared after Bosse's death, and is suggested to have appeared during the death of Miranjo's original body.