Test of strength

Ivantsov wants your help to test the mettle of a young hopeful named Viking wishing to join Duty.
Part of this quest is unmarked.
== Walkthrough ==
=== Preparation ===
The start of this quest is unmarked. Speak to Ivantsov to find out about the job. Find Viking at the campfire near the [ Arena] entrance, and talk to him. For the challenge, he needs a Fort-500 shotgun, which can be bought at Barkeep, and 12x70 Buckshot ×50. Bring it all to him to start it.
=== Challenge ===
Viking will then have to go beyond the [ southern checkpoint] to fend off zombies that are approaching. You are allowed to assist from a minimum of 80 meters, but no closer.
He'll send you a message once he's in position and the onslaught will begin. Your goal is to keep him alive from the incoming zombies. The last one will be a Ghostly zombie that does not spawn flies on death, but has a ridiculous amount of health regardless.
Once all zombies have been shot down, you'll hear a message notification. Go back to Ivantsov to report the success. Speak to Viking as well; he will give you his artifact.
=== Dimak's message ===
After speaking to Viking, Dimak will broadcast the message that he has blueprints for a unique modification of Steyr AUG, and he will sell it to the first buyer. You will have three ingame hours to make your way to Eastern Pripyat and buy the Gunsmith's PDA for 10,000 RU. Despite the warning, you won't lose it if you're late; instead, Dimak will charge you 40,000RU for the blueprint. Buying it will open the quest Gunsmith's "gift".
== Notes ==
* Viking will die in 1-2 hits from a zombie, so you will really need to be on top of protecting him.
* You'll probably need a high powered sniper rifle. Aim at the neck.
* Pre-placed "Typhoon" Turret can help covering angles unseen from your current position.
* Bizarrely, the spawning of some of the southern zombies will be influenced by your position even though you're highly restricted on where you can actually move.
* Parasite received from Viking is one of the Artifacts for Dragunov.
== Bugs ==
* The southern zombies might be completely braindead and not aggro to Viking if spawned in later through your position moving.