The Rune Manifold spontaneously materialized when the Arcane Fracture's chaotic energies began attempting to calculate their own stabilization, creating a living mathematical entity. As conflicting magical schools collided across the ten realms, their underlying runic principles merged into this singular computational consciousness. It represents the Fracture's first attempt at self-organization through pure mathematical harmony.

This ethereal construct appears as a constantly shifting array of runic equations that float and reconfigure across multiple dimensional layers simultaneously. The manifold responds to magical calculations by transforming its geometric structure, creating new pathways and closing unstable routes in real-time. It emits harmonic frequencies during complex calculations, with each tone representing a different mathematical relationship between realm energies. The entire structure pulses with algorithmic light as it processes the infinite variables of cross-realm magical interactions.

The Rune Manifold functions as reality's mathematical stabilizer during the most volatile cross-realm convergences within the Arcane Fracture. It prevents dimensional collapse by continuously calculating optimal energy distributions across all ten magical domains, serving as the computational foundation that makes cross-league events possible.