what is rct in jjk

The Reverse Cursed Technique (RCT) is a technique used in the Jujutsu Kaisen universe to convert negative cursed energy into positive energy, which can be used for healing. The technique involves taking two sources of cursed energy and multiplying them by each other, resulting in positive energy. The positive energy can be used to regenerate whole limbs and body parts, regardless of the severity of the injury. It is not an easy concept to describe, as cursed energy is negative by definition, and positive energy is created by multiplying negative cursed energy by another source of negative cursed energy.