In normal circumstances, this conceptual assault would have been a mere annoyance to the shielded minds of the mages. But nothing about their current situation was normal; their minds were already stretched thin, barely protected as they desperately held the psychic barrier in place.
The ceaseless, high-frequency assault forced the mages to funnel immense magical energy and mental fortitude into shoring up the shield's integrity against the unnerving, internal vibrations. Yet, this was merely the prelude. The insidious high-frequency nature of the Demon Queen's attack birthed a vicious psychic feedback loop within the very core of the barrier. This generated an escalating torrent of mental static, like a screeching feedback from an overloaded amplifier, making telepathic communication a torturous effort and splintering their collective focus.