What is soul eater the kishin?

Soul Eater is a manga and anime series about humans with the ability to transform into demonic weapons and their struggle to fight against evil creatures known as Kishin. The Kishin are extremely powerful beings that feed on human souls and can drive people insane.

The main villain of the series is Asura, also known as the Kishin. Asura was once a powerful weapon created by Death, the God of Death, but he became corrupted and turned against his creator. Asura's power and madness grew until he became a threat to the entire world, causing Death to seal him away.

However, Asura eventually breaks free and begins a rampage of destruction, seeking to destroy everything in his path and become the "God of Madness". He is eventually defeated by the main characters of the series, but his influence still lingers and threatens to resurface.

Asura is shown to be an almost unstoppable force, with immense power and a disregard for human life. He has the ability to manipulate his own Madness to control others and drive them insane. Despite his monstrous nature, Asura is also shown to be intelligent and calculating, making him an even more dangerous opponent.