What was the purpose of having an avalanche in The Revenant?

Other than the fact this is in the book? And is part of the reason life experiences of Hugh Glass? It is the endless trials he is put through that make this alternate between a man-vs-nature story and a revenge story. read more

To pull off the feat, he arranged to have planes drop explosives on Fortress Mountain in Alberta, Canada, to set off a real avalanche where they were filming. The timing had to be precise. Only one take was possible."We triggered that avalanche," he told Wired. read more

A revenant is a visible ghost or animated corpse that is believed to have revived from death to haunt the living. The word revenant is derived from the Old French word, revenant, the"returning" (see also the related French verb revenir, meaning"to come back"). read more