Daredevil Oleg Rezanov's most recent stunt saw him being buried in snow with no protective clothing.
The 47-year-old, who hails from Kaliningrad, attempted the extreme feat of endurance outside in Yakutsk in temperatures as low as -32C while a crowd of spectators and reporters looked on.
Wearing nothing but a pair of shorts and with a towel covering his face, Oleg lay down in a hole dug into the snow and ice covering the Lena River before volunteers shoveled more snow on top of him.
Once he was totally buried, they even poured water over him so that it would freeze into more ice.
In total, he lasted 12 minutes and 52 seconds in his snowy tomb before emergency personnel quickly moved to dig him up. Incredibly, he was able to stand up almost straight away.
He explained that during the stunt he had been in a kind of trance.
"I inhaled twice when they buried me," he said. "I don't remember further. I heard sounds periodically, very far away. But when they said '12 minutes', I heard that clearly."
"I was shocked that I coped. I am satisfied with the result. Nobody believed this could be done."
"By testing myself, I study what a human can achieve. I want to understand who I am, why I am here and what my future path is. It is testing that gives me an understanding of who I am."