Deljabens were a perfect example of the different flinches. They had 2 sets of attacks. If they jabbed at you with 1 arm and it did more than 5% of max HP, you were flinched, but not knocked down, less than 5% HP damage, but no flinch. If they jabbed at you with both arms for more than 5% HP, you were blown away (knocked back) and less than 5% HP only flinched you instead.
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