I've noticed most pro players and high rank players always run slightly backwards when they're about to pop Hunter's Fury, can someone explain why they do this and what it does? Many thanks.

Ive seen so many poeple say that and people showing that they were plat and now they are high diamond if not higher, and Im not sure what to think of it. I was plat 2 last act, got placed plat 1 then I double promoted to plat 3, while playi...