D.Gray-man

In a world where darkness is rapidly spreading and humanity's future hangs by a thread, young exorcist Allen Walker rises as the last hope against the menacing forces that threaten to plunge civilization into chaos. The Akuma - malicious spirits born from tragedy and lost souls - prowl the shadows, eagerly serving their sinister leader, the Millennium Earl. Guided by an accursed eye capable of detecting evil in its purest form, Allen wields a blessed arm to vanquish demonic entities that feed on human souls. As the line between innocence and despair grows increasingly blurred, Allen is thrust into a brutal war that will decide the fate of mankind. The battlefield is vast, and the carnage relentless, as our protagonist grapples with unimaginable horrors to protect the sanctity of humanity.