After leaving the Lesser Zone in Stalker 2: Heart of Chornobyl, you'll find yourself entering the expansive Garbage area. Given the distance from your starting base, it might take some time before you encounter traders in this new region.
Upon entering the Garbage zone, don't expect your quest marker to guide you directly to the next Stalker hub. You'll need to advance the main storyline first, particularly by completing the "Answers Come at a Price" quest, before the game reveals the location of the Slag Heap. To do this, you must visit the Detention Center and the Laboratory and meet with Scar.
Once these tasks are completed, the game will direct you to the Slag Heap. However, you can explore this hub earlier if you wish—it's located north of the laboratory. Within the Stalker 2 Garbage area, you'll find two traders. The first, Boozer, runs the bar at the entrance and is your go-to for meals and drinks. He's also willing to buy any items you want to sell, making him an essential stop right from the start.
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Further into the hub, you can visit another trader named Huron. To find him, head left and then through the open door on your right. Huron specializes in selling weapons and gear, and you can also store your extra belongings in your stash located in his room. Engaging with Huron can also initiate a side quest, adding more depth to your gameplay experience.
While not a trader, you'll also encounter a Tech named Diode at the Slag Heap. He's situated at the back of the left corridor and is crucial for progressing the main quest.
Stalker 2: Heart of Chornobyl is available now on Xbox and PC.