Strongroom Energy Barrier

A shimmering field of concentrated energy hums at the strongroom entrance, its unstable edges flickering blue-white. Leela’s headlong rush disrupts its calibrated equilibrium; her body seizes mid-stride as the barrier tightens around her limbs. The field’s unnatural glow illuminates the rebels’ hiding place before The Doctor’s manual override collapses it, revealing both the technology’s limits and its lethal intent.