Armour breaking monsters feel overtuned

I lost 10k armor in what seems to be two hits (or four if the armor breaking mobs hit at the exact same time) and then died quickly afterwards. It's a T8 map with only one damage mod. Feels a bit odd that my whole defensive layer can be shredded in 2-4 hits from blue monsters. I'm not mad or anything (I was playing a bit haphazardly seeing as I got heavy stunned), just surprised that it happened because I felt super tanky before this. 2900 HP for context.

Here's a video: https://streamable.com/y57jay

same with poison on ES build, or precise on evasion build. Just reroll the map. works as intended