Cursed Technique Reversal: Red

The mirror image of Blue. Where Blue pulls everything in, Red blasts everything away: a sphere of repulsive force that expands outward and demolishes whatever it hits. The destructive power is roughly double Blue's, which already collapses buildings.

Red is notoriously difficult to achieve. It requires channeling positive energy (reverse cursed technique) through an innate technique, something the vast majority of sorcerers never accomplish in their entire careers. The Gojo clan produced generations of Limitless users who never once activated Red.

Gojo unlocked Red at the exact moment he should have been dead. Toji FushiguroToji FushiguroHumanThe Sorcerer Killer. Born into the Zenin clan with a Heavenly Restriction that traded every drop of cursed energy for a perfected physical body. Toji couldn't see curses, couldn't ... had stabbed him through the throat, and in the space between dying and not dying, Gojo figured out reverse cursed technique and channeled it through Limitless for the first time. He came back from fatal wounds with an ability his own clan considered nearly mythical.

Red is also half of the equation needed for Purple. Blue attracts, Red repels, and combining both creates something that doesn't attract or repel. It erases.