There's no doubt that making The Revenant was friggin' brutal.
"It was a difficult undertaking because [director Alejandro González Iñárritu] wanted to immerse deep into nature [with] logistically hard places to get to in rough conditions," Leonardo DiCaprio, who plays an 1820s frontiersman out for revenge after he's left for dead when he's attacked by a bear, tells E! News' Jason Kennedy. "But we kind of looked at it as this unique challenge and adventure that we were all on. But we knew we what we were signing up for from the onset.
"The weather conditions made things incredibly complicated," the Golden Globe nominee continued. "We were in sub-zero conditions one day and the next week the entire snow pack would melt so we had to adjust to nature."