Lab Phantom manifests as a translucent figure flickering between visibility and complete transparency, its form crackling with the same neon green energy that flows through the facility's toxic spills and electrical surges. The specter retains ghostly impressions of laboratory equipment - a spectral clipboard that phases in and out of existence, safety goggles that glow with otherworldly light, and a lab coat that ripples with electromagnetic distortions. VHS-style scan lines periodically sweep across its form, suggesting its essence has become integrated with the facility's failing surveillance systems.

Lab Phantom serves as both harbinger and guide, appearing at critical moments to warn players of impending contamination events or point them toward safer routes through the deteriorating facility. Its presence indicates areas where the boundary between scientific reality and supernatural horror has completely dissolved.