Demon Clan Banishment

Lore & Background

Once the Demons crossed over, the Goddess Clan erected powerful magical barriers to seal the exit permanently. This banishment created a physical and spiritual divide between the two species. While peace was technically established, deep-seated animosity remained on both sides. The event is remembered as the reason why demonic magic became feared and outlawed in human society for centuries, setting the stage for future conflicts.

In Their Own Story

The air shimmered with the heat of collapsing magic as the barrier began to close. A young demon soldier stood at the edge of the rift, watching the golden light of Britannia fade behind him. He raised a clawed hand toward the distant towers of the human capital, knowing he would never walk that earth again. Behind him, his father’s roar echoed through the void, urging them forward into the darkness. The gate sealed with a thunderous crack, leaving only silence and the memory of a lost home.

Reader's Guide

This cataclysmic event reshaped the political and spiritual landscape of Britannia forever. By forcing the Demon Clan into their own dimension, the Goddesses and human kingdoms established a fragile peace that lasted millennia. However, the hatred born from this exile fueled centuries of tension between magic users and ordinary people. The barrier separating the worlds became sacred ground, guarded by elite warriors known as Holy Knights to prevent any return invasion. For fans, understanding this banishment is crucial to grasping Meliodas' tragic lineage. As a former Demon Prince, his very existence represents a bridge between these two warring factions. The event also explains why magic was feared and regulated in later eras, as demonic influence was the primary threat humanity faced. Ultimately, the Banishment set the stage for the Great Holy War that followed, creating a cycle of conflict and redemption.

Did You Know?

• The banishment occurred long before Meliodas joined the Seven Deadly Sins, as he was a direct member of the Demon Clan and the son of the Demon King, present during the event.
• Holy Knights were established later, after the banishment, to guard the seal preventing demons from returning.
• The Goddess Clan also suffered heavy casualties during this ancient conflict.
• The barrier between worlds eventually weakened, allowing some demonic influence to leak back into Britannia.

Origins and Production Context

This animated series emerged from Hobby Japan's broader media franchise centered on fantasy figures, specifically adapting their concept into a narrative television format. The project served as a direct adaptation of the source material known as Sin: Nanatsu no Taizai. Following this primary series, the franchise expanded with a short anime titled Seven Heavenly Virtues. This sequel was animated by Bridge and aired between January and March 2018, continuing the adaptation of related Hobby Japan properties. The production history highlights a collaborative effort to bring these specific fantasy concepts to life through distinct animation teams over two consecutive years.

Narrative Arc and Cosmic Conflict

The story centers on Lucifer, an archangel cast out of Heaven for rebelling against God's will to destroy mankind and Hell. Her fall is interrupted when she crashes into a high school church, meeting Maria Totsuka before descending further into the underworld. In Hell, Lucifer confronts the Seven Mortal Sins, led by Belial, who collectively seal her angelic powers using a cursed Garb of Punishment. This artifact transforms her into a Demon Lord while inflicting constant pain and blood-letting. Driven by immense pride and a desire for revenge, Lucifer returns to Earth with Leviathan as an ally. Her primary objective is to defeat the Seven Sins individually to sunder their powers embedded in her cursed attire, all while protecting Maria, whom she has turned into an immortal slave.

Character Dynamics and Motivations

The narrative explores complex relationships between fallen angels and demons. Lucifer's pride serves as both the cause of her banishment and her greatest strength against divine and demonic forces. Her connection with Maria is pivotal; despite initially being unwilling, Maria becomes devoted to Lucifer after having her heart ripped out for immortality. It is eventually revealed that Lucifer's rebellion was motivated by her awareness of Maria's lifelong dedication. Leviathan, the aspiring Demon Lord of Envy, acts as a jealous but loyal sidekick who controls water elements. Belial, formerly an angel named Satanael, rules the Sins with heterochromatic eyes and seeks reinstatement in Heaven through betrayal, highlighting themes of vanity and failed redemption among the supporting cast.

The Seven Mortal Sins Rulers

The ruling Demon Lords represent specific vices and possess unique abilities that define their roles in Hell. Belial commands Vanity and wields a history as a former angel who fell due to human corruption. Satan embodies Wrath, judging souls at the Gates of Hell with an axe while maintaining a love for innocent things. Belphegor represents Sloth, utilizing cat-like features and a morning star while gaining followers through online gaming. Each character brings distinct combat styles and personalities, from Satan's fiery temper to Belphegor's lazy demeanor, creating a diverse hierarchy that Lucifer must challenge to reclaim her power.