"That wall is, in fact, invisible" - Puppet Master Luminance Spellweaver
A delusion can sustain Signal Loss if you can exchange which Consciousness believes in the spell. This is a Crystal / Luminance / Flux interaction where Stable Harmonic Channels form if the caster can deceive or force the target to also believe the illusion is real.
It is a funding principle of Illusory Magic that says that combat is as much of a battle of technical mastery and sheer imagination as it is of psychological dominance.
Narrative Applications:
- A city where everyone believes a lie—the lie becomes true
- An illusionist who's gathered a cult to make their illusions permanent
- The horror of realizing your own disbelief is hurting someone—if you stop believing in their protective illusion, it fails