Why does this trick on the Arch-vile work?
In this video at 3:40, the maker of the video explains that hiding on the opposite side of a tall wall while an Arch-vile blasts you causes you to only take 20 damage, which is the damage dealt directly from the hit. But why does this trick negate the explosion damage? Also, why doesn't the trick work when you stand on the same side of the wall as the Arch-vile?
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Let's Analyse the Arch-vile
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Images: Budgeron Bach, Budgeron Bach, Artem Podrez, Ann H