Sirzechs Lucifer vs demon king

[speedster352]

All energies equalized including destruction magic.
All forms of Sirzech and the demon king can be used.
The demon king has access to all the commandments

Demon King (Nanatsu no Taizai)

The Demon King is the ruler of the Demon Clan and the father of Meliodas and Zeldris. He created the Ten Commandments and waged war against the Supreme Deity and the Goddess Clan, eventually resulting in his being sealed in Purgatory. He has remained there ever since, devouring the inhabitants...

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Sirzechs Lucifer

Sirzechs Lucifer, formerly known as Sirzechs Gremory, is the older brother of Rias Gremory, and the leader of the Four Great Satans who rules the Underworld with the title of "Lucifer". Despite being a goofy non-sexual siscon and a pervert, he is one of the top ten strongest beings in the world...

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• Faith: Anyone who shows faithlessness before him has their eyes set ablaze. The "faith" concept applies to anything the victim once had faith in, such as love or family.
• Love: Anyone who has hatred in their heart in his presence will be unable to inflict damage to others. They will not even be able to summon the strength to raise their weapons or activate their powers.
• Pacifism: Anyone who kills in his presence will have their remaining lifetime stolen from them, aging rapidly to death.
• Patience: The full effects of Patience are currently unknown.
• Piety: Anyone who flees from him is forced into mindless obedience to him. He can undo the effects of the commandment at will.
• Purity: The full effects of Purity are currently unknown.
• Repose: The full effects of Repose are currently unknown.
• Reticence: The full effects of Reticence are currently unknown, but it is known that it imposes a penalty on the victim for speaking their true feelings buried in their heart.
• Selflessness: Anyone with feelings of greed, desire, or selfishness in his presence loses their memories, emotions, and sense of self.
• Truth: Anyone who knowingly tells a lie in his presence is turned to stone.
• The Ruler: The Demon King's eponymous magic ability that also goes by his own name. It allows the user to invert all magical attacks sent at him, including Meliodas and Ban's Full Counter and Snatch abilities. All magical attacks and weakness are converted into healing and fortification. Even the effects of other magical powers are completely reversed; per example, when Ban tried to steal Demon King's energy, he was forced to give his own to the ruler. However, as The Ruler functions on the concept of magic inversion rather then magic absorption, any magic meant to strengthen him or increase his power will instead weaken him, as shown by Ban. Despite this weakness, he can easily overcome it by deactivating his own power of inversion.