Jujutsu no Kaisen

Cursed energy: Energy that comes from negative emotions, such as sadness, anger, etc. It always appears blue, but depending on the situation, its color can change. It is generated in the abdomen, but its core can be altered with refined energy control.

Cursed Technique: Every being possesses cursed energy, but some, due to it, have a brain deformation and gain a cursed technique. These techniques can have various abilities linked to different things. Each technique has a standard mode of action, a maximum technique, and a mastery expansion. Example: Standard: Manipulate fire. Maximum Technique: Instantaneous giant fire. Expansion: (Proper name) These techniques are ingrained in the body, and each sorcerer can have a maximum of 3 at the same time, but only one per birth. A new one can be gained if a reincarnated being possesses their body for a long time.

Innate Domain and Domain Expansion: An Innate Domain is a space within your consciousness, that which embodies your soul, unique to each individual. A domain expansion occurs when you unleash this domain through your cursed energy, granting a special effect and guaranteed hit within that area. For example, one based on a fire technique. Within the domain's radius, you can generate fire from anywhere and will always hit your opponent.

Types of Mastery: Incomplete: You manifest your mastery using the barriers of the natural world, such as walls, etc. Complete: You create your own barrier. Open: You don't need a barrier and require very good mastery over your energy, thus constantly increasing your reach by 2 or more times.

Sorcerers: People with cursed energy and a cursed technique.

Curses: These are beings of pure cursed energy that are generated by places with a lot of negative energy, or based on concepts such as fear of something. They are very sensitive to reverse energy.

Reverse Cursed Energy: Cursed energy that is reversed in the brain, allowing it to be used for healing. With mastery, it can regenerate even body parts. And it can be used to create reverse techniques. For example, a fire technique turning into an ice technique, and so on...

Cursed Weapons: Weapons that possess supernatural physical capabilities, and if a normal weapon like a katana remains in the possession of a sorcerer for a long time, that weapon gains the ability to replicate the cursed technique of the sorcerer who used it.