The Wave: Last Battle

The situation looks hopeless, but in the last moment the military sweeps in with armored vehicle support. Our job is to draw the mutants under the fire of the armored vehicles.
== Walkthrough ==
=== Overview ===
There are three remaining areas that are not reinforced by stalkers - the port cranes, Izumrudnoye, and the gas station. Two BTRs will be deployed to each of these three zones and they will be dealt with in this order.
The mutants in these waves are extremely damage resistant, so you won't be able to realistically kill them with anything but a Nitro Express rifle. On the other hand the waves consist solely of Deathclaws, Librarians, Bloodsuckers, Venoms and Chimeras, so you won't have to deal with anything ranged sniping you from afar. After each wave spawns, find a spot high enough that Chimeras can't leap to you, climb to it using jump artifacts or the SoulCube if you have it, and take a break while the BTRs do all the work. 
Shortly after the last wave of each location spawns, one additional mutant will spawn that has to be killed for the quest step to be marked as complete.
=== Port cranes ===
At the port cranes there will be about eight waves of mutants before Captain Filatov orders us to go to Izumrudnoye. You may need to run around a bit, as the safe spots aren't that easy to reach normally or are out of reach of the BTR guns. 
=== Izumrudnoye ===
Upon reaching Izumrudnoye, Milvus sends out a distress call and one BTR is deployed to their position. After eight waves, Kruglov radios in that some mutants have broken off and are heading towards the gas station. Time to head there.
=== Gas station ===
After eight waves at the gas station, Captain Filatov will exit his BTR and speak to you. Return to Noah for the Defender of the Zone achievement and the Achilles Heel artifact, completing the Wave of Mutants storyline.
=== After the quest ===
Sidorovich messages you to come to Cordon to check out the photos you brought to him in Knock down a peg - they will be quite interesting according to him. Akim will also urge us to talk to him about the murdered rookies around his building, opening the Chess Player storyline.
When you arrive in Cordon and speak to Sidorovich, he reveals that the photos show the mass migration of mutants coming from the unexplored northern parts of the Zone. The photographs of their movements may reveal safe paths through the dangerous anomalies that usually block the path north, but it'll take time to see if there's a real route.
Noah will then send out a public message about his intentions to erect a memorial to the stalkers who died fighting off the wave, and 5000RU is deducted from the accounts of everyone in the Zone to pay for it.
== Notes ==
* Mutants spawned in this quest are entirely resistant to your damage and do not drop any parts.
* Achilles Heel is a rare artifact that has high resistances across the board, but reduces your health regeneration and bleeding recovery. It is exceedingly difficult to construct an effective artifact belt around it on Nightmare difficulty due to the 60% resistance limit and its high burn and psi resistances.
** However, it is effective when wearing a Prophet's Star which negates the need for any bleeding recovery or health regeneration.
== Bugs ==
* Sometimes the BTRs will bug out and not shoot anything. This seems to mostly happen if they get moved around too much.