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Player choices in S.T.A.L.K.E.R. 2: Heart of Chornobyl significantly impact gameplay. The mission "Just Like the Good Old Days" follows either "To the Last Drop of Blood" or "Law and Order," concluding with an escape from the SIRCAA.
Talk to Professor Lodochka at Wild Island
Proceed to the mission marker on Wild Island to locate Professor Lodochka at Quite's Camp. A priority objective will emerge: eliminate nearby mercenaries. These enemies are clearly marked on the map.
Strong equipment is recommended, as further encounters await. After eliminating the mercenaries, a single marker will guide you to Lodochka. An optional objective, "Activate the Ventilation System," becomes available.
Activate the Ventilation System
Consult your map to locate a fuse. After retrieving it, a new marker will appear, directing you to the engineering rooms. Be prepared for an invisible enemy within.
Navigate the shelter's passageways to the engine room. Use the fuse to restore power to the ventilation system. Completing this optional objective simplifies the main mission, though it doesn't provide unique rewards.
Find the Signal Source
It's advisable to acquire better weaponry before proceeding. Locate the marked cave entrance near the water. Navigate the caverns westward, descending and overcoming obstacles. A broken pipe provides access to higher cave levels.
Follow the marker to a large cone-shaped spire. The emitter is located at the marked point beside it. An invisible enemy will likely ambush you on your way out. Return to Lodochka to complete the mission and unlock "Hornet's Nest."