[1.1.4.0] Amarasta's Meme Burst - How my dreams were crushed by Amarastan Crusher

no

100% = 100/100
50% = 50/100

100% - 50% - 50% is 0% = 0/100

That is what additive means.

This is multiplicative: 1 * 0.5 * 0.5 = 0.25 = 25%

So, total damage modified on crusher is multiplicative, not additive - which I was told that ALL “total damage modified by” are supposed to work as