This quest delves deeper into the Zone's mysteries, tasking you with investigating a series of strange energy readings emanating from an old research facility. You'll need to prepare for more sificant threats, including stronger mutants and potentially hostile stalkers from rival factions. Ensure your equipment is in good condition and you have ample medical supplies.

The facility is known to be heavily irradiated in certain sections, so anti-radiation medicine (Anti-Rads) will be essential. Consider upgrading your armor or finding an artifact that provides radiation protection before heading out. This mission often involves navigating complex, multi-level environments, so pay close attention to your map and objective markers. Stealth can be a viable option in some areas, allowing you to conserve ammunition and avoid unnecessary confrontations.