Sidorovich is a well-known character making a return Stalker 2: Heart of Chornobyl. He has a bit of a problem as his associate Wisp tries to disrupt his business by poaching customers and contacting suppliers behind Sidorovich's back. This will start the Unhealthy Competition side quest, which involves locating the Wisp at the pig farm, finding out what his intentions are, and putting an end to him with lethal force.
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How to find the arena in Stalker 2 (The Freedom Colosseum)
There is an arena in Stalker 2: Heart of Chornobyl that is part of The Freedom Colosseum quest that involves gauntlet-style challenges and rewards.
Find Wisp at the pig farm
The first task is to find Wisp, who usually hangs out at the pig farm in the Cordon region. Make your way to the farm and you'll encounter a group of meats trying to attack you. Try to take them all out at once and clear the area of all threats.
When everything is ready, enter the barn through the open door in the middle, and you'll find Wisp's body lying around towards the right side. Loot his body to recover Wisp's PDA, which will have information about a new trader setting up in Cordon. It will also have the location of Wisp's storage.
Now Sidorovich will contact Skif to ask about the Wisp situation. After filling him in, he will order Skif to visit this new trader and put an end to his business before it even begins. Before you head out to the tunnels to confront said merchant, be sure to visit the Wisp's storage along the way to get a new High Capacity AR416 Mag Accessory.
Will you save the traders or kill them for Sidorovich?
Now head towards the tunnels to check in with the merchants. Here, players will have two options about how to proceed in this situation. Either kill the merchants outright to get your reward and appreciation from Sidorovich, or go the ethical route and spare their lives, but settle for a smaller reward.
To kill the traders
Players can simply go and start shooting the merchants without engaging in conversation. After kill the Swede and his peopleSidorovich will contact Skif, show appreciation for his work, and send him some coupons.
Save the merchants
The other option is for players to holster their weapons before approaching merchants in the tunnel to start a conversation with their managerSwedish. You will then warn him of Sidorovich's attempts to drive them out of town or even kill them if they continue to do business in Cordon. Although the Swede will not be affected by the warning, he will still appreciate Skif for telling him about Sidorovich and giving him some coupons.
However, when you exit the tunnel, you will encounter Sidorovich's men, who will ask Skif if he will go through with the plan to kill the trader. You must fight these men to save the traders. After taking them out, Swedish will once again thank Skif for saving them and give him some more coupons. After that, Sidorovich will express his grievance against Skif, but this choice will not affect your ability to use the facilities in the Rookie Village, or the trading experience with him.
However, you will lose the quest reward offered by Sidorovich.