ONA
Description
The King of Sand Land is the reigning monarch of the desert nation that serves as the primary setting for the story. He is depicted as a greedy and incompetent ruler whose primary concern is maintaining his own lavish lifestyle at the expense of his starving subjects. His physical appearance is notably unflattering, being overweight and possessing a distinctive mustache, which visually reinforces his spoiled and self-indulgent nature.

The King's personality is defined by profound selfishness and a lack of intelligence or foresight. His actions are driven by greed, as he creates an artificial water scarcity to generate enormous profits by selling bottled water from the kingdom's only reliable source at exorbitant prices. He is also shown to be weak-willed and easily manipulated, serving largely as a figurehead while the true power behind the throne is wielded by the cunning and ruthless General Zeu, the aged commander of the royal army. The King is characterized as being too foolish to recognize the long-term consequences of his actions, preferring to exploit his people rather than use the abundant water supply to restore the land and rebuild society.

In terms of his role in the story, the King is the initial source of conflict whose oppressive policies drive Sheriff Rao, a former general, to seek help from the demons, including Prince Beelzebub. The King actively tries to eliminate Rao and his companions to prevent anyone from discovering the truth about his private water reserve and the destroyed water-creating machine. Despite his authority, he is largely a passive antagonist, with General Zeu orchestrating the military's brutal tactics, including the attempted genocide of the Picchi people who developed a device to produce water.

The King's most significant relationship is with General Zeu, who acts as his puppet master. Zeu manages the kingdom's affairs and military while the King indulges himself, though he remains complicit in the regime's atrocities. The King's relationship with Sheriff Rao is adversarial, as Rao seeks to end his tyranny. Another key relationship is with General Are, a young officer in the king's army. In the later parts of the story, General Are essentially blackmails the King into donating half of his wealth to the people and lowering water prices to avoid public exposure of his involvement in the Picchi genocide.

Regarding his development, the King shows little genuine change or redemption. After the water supply is returned to the people, he is forced to give up his wealth but faces no real accountability for his crimes. He remains on the throne, and his oppressive system of governance, rooted in militarism and capitalism, is left largely intact with only a change in leadership among the military brass. In some adaptations, such as the video game, he participates in the invasion of Forest Land, motivated by a superficial desire to become more popular with women, and even leads an elite tank battalion in a moment of unexpected assistance, though this does not alter his fundamental character.

The King does not possess any notable combat abilities or personal strengths. His power derives entirely from his political position and his control over the kingdom's military forces. He relies completely on General Zeu and the army to enforce his will, and he is depicted as physically helpless and cowardly when confronted directly.
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