Reverse Cursed Technique (反転術式 Hanten Jutsushiki?) is a variation of a curse technique that takes cursed energy and reverses it into positive energy. It is a very complex technique and is normally used to heal human bodies.
A reverse cursed technique processes negative energy into positive energy by taking two sources of cursed energy and multiplying them by each other. As a result, the energy that destroys becomes energy that creates, and negative energy becomes positive.
Cursed energy comes from negative emotions, which are unfit for healing living things. However, cursed spirits that are made up of cursed energy don't require a reverse cursed technique to heal. While some humans like Shoko Ieiri are able to use reverse cursed technique to restore destroyed limbs and heal mild damage, there are cursed spirits such as Sukuna and Mahito who can do the same using normal cursed energy.
The cursed energy multiplication table below represents how a reverse cursed technique creates positive energy from negative energy.
Reverse cursed technique is very difficult to use due to its complex nature, meaning very few jujutsu sorcerers know how to use it. Shoko Ieiri knows how to use it to heal others, garnering her position as Jujutsu High Doctor. Satoru Gojo is able to apply the positive energy generated from the reverse cursed technique to his cursed technique, reversing the effects of his Limitless.
Cursed Technique Reversal
If a reverse cursed technique user uses positive energy instead of negative energy to power their inherit cursed technique, the effects of the ability will be reversed. For example, by fueling the Limitless technique with positive energy, Satoru Gojo can bring infinity, which is normally an invisible phenomenon, into reality as a tangible explosive force.