Ijjutsu

Ijjutsu is a fictional martial art that appears in the anime series Blue Exorcist. It is practiced by exorcists as a means of combating demons. The art combines physical combat techniques with the use of magical abilities known as "Flames of Hell." Practitioners of Ijjutsu are trained to channel their demonic energy into powerful offensive and defensive maneuvers.

The core principles of Ijjutsu revolve around controlling and amplifying one's innate demonic power. This is achieved through rigorous physical training, mental discipline, and the mastery of specific incantations and hand seals. Ijjutsu practitioners can manifest their demonic energy in various forms, often as destructive flames or other elemental attacks. The effectiveness of these abilities depends on the user's control and the strength of their demonic lineage.

While Ijjutsu is primarily an offensive martial art, it also incorporates defensive techniques designed to ward off demonic attacks and protect the user. These defenses can range from energy shields to evasive maneuvers that utilize supernatural speed and agility. The ultimate goal of Ijjutsu is to purify and eliminate demonic entities, safeguarding the human world. The practice requires a deep understanding of demonic nature and a strong will to overcome their influence.