When a monster deals damage equal to or greater than 1/12th of your maximum health, your character enters a "hit stun" animation. FHR reduces the duration of this stun.
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Are you trying to figure out (FCR/FHR) for your current build? diablo 2 lod 1.14d
For many, playing 1.14d offline with PlugY is the ultimate way to pursue the "Holy Grail"—a self-imposed challenge to find every single unique item and rune in the game's drop table. 5. Diablo 2 1.14d vs. Resurrected When a monster deals damage equal to or
1.14d is the standard for the modern, digital installer available via Battle.net, making it the default, easiest way to play vanilla LoD. Key Technical Changes in the 1.14 Series digital installer available via Battle.net