Non lethal method
Mosin Nagant takes 3 shots per phase to take Volgin down.
Lethal method
by Metsa
Non Lethal
Mosin Nagant takes a lot of ammo, but is quite fast if applied right.
found initially by Bradderfield, performend and recorded by Pythonicus
by Pythonicus
Alternative
https://www.twitch.tv/metsametsa/clip/CoweringBrainyToothAMPEnergy-azEsqS_b4ybMEubC
by Metsa
by Setharooni_
Lethal
by DeflinoPlazaGuy
by MetalGlennSolid