### Check version - [x] I'm running the latest version of Path of Building and I've verified this by checking the [changelog](https://github.com/PathOfBuildingCommunity/PathOfBuilding-PoE2/blob/master/CHANGELOG.md) ### Check for duplicates - [x] I've checked for duplicate open **and closed** issues by using the search function of the [issue tracker](https://github.com/PathOfBuildingCommunity/PathOfBuilding-PoE2/issues?q=is%3Aissue) ### Check for support - [x] I've checked that the calculation is supposed to be supported. If it isn't please open a feature request instead (Red text is a feature request). ### What platform are you running Path of Building on? Windows ### What is the value from the calculation in-game? In-game, when I have Leopold's Applause equipped, my lightning penetration should be able to reduce enemy resistances to -50% instead of 0%. ### What is the value from the calculation in Path of Building? In PoB, when I have Leopold's Applause equipped and view my MH Eff. DPS Mod on the Calcs screen, I see Effective Resistance to be 0%. ### How to reproduce the issue Equip Leopold's Applause Give yourself > 50% lightning pen View your MH Eff DPS Mod ### PoB for PoE2 build code ```shell https://poe2.ninja/pob/2865 ``` ### Screenshots  