An open-barrier domain—a "boundaryless" domain created by adding one's own ideas after mastering barrier techniques.
It manifested one's innate domain and used barrier techniques to restrict it, limiting the enemy's range of movement while enhancing one's own strength within the innate domain.
An open-barrier domain directly overlaid the virtual space of an innate domain onto real space, using a shrine as its center and spreading the domain outward—the boundary of an open-barrier domain differed from ordinary domains. It could not be destroyed, while entering and leaving it became easier.
Sukuna's domain, Malevolent Shrine, added a binding vow on top of its open-barrier nature. In exchange for completely losing the boundary's sealing ability, it expanded the domain's range. Accordingly, enemies of a similar level could quickly escape its area.
Xuan's domain, Dark Surge Eight Settled Waters, also added a binding vow on top of its open-barrier nature. In exchange for losing the domain's fixed shrine, it gained "mobility." Accordingly, Xuan's domain had a smaller range, and its boundary became extraordinarily fragile. One did not even need to be of equal strength to freely escape Xuan's domain.
On that basis, the shrine of Eight Settled Waters was once again anchored to Xuan himself. Thus, after the domain expanded, Xuan's true body, serving as the shrine, was formed from shadows that could be freely pulled and reshaped.
The clash between their domains was the first open-barrier domain clash in the history of the jujutsu world.
As the barrier techniques of both sides collided, virtual space overlapped with virtual space, until finally—
Their domains merged together, becoming a bomb that would explode at the slightest disturbance.
And just now, the shrine of Eight Settled Waters had overlapped with the shrine of Malevolent Shrine. The two virtual spaces collided, layering into an unknown domain. Under