Survival odds with a wild boar vs a Desert Eagle 50 cal

Goodday I saw this movie https://youtu.be/6WNPmyM_Wxs and I was wondering how many percent chance of survival has a wild boar if you shoot in the style as the guy in the movie at 20 feet away in the side of he's head with a .50AE underwood 300 grain Jacket hollow point round?

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And this is related to extended consciousness how... ?