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LaTex Formula. Expand and Double click to select all. Can be pasted into Desmos for quick use of the graph, or another LaTex editor like Overleaf)
M_{agicalDamageReduction}(M_{agicResistance})=\left\{-300 \le M_{agicResistance}<-15:-5.95+0.02\left|M_{agicResistance}--300\right|,-15 \le M_{agicResistance}<10:-0.25+0.01\left|M_{agicResistance}--15\right|,10 \le M_{agicResistance}<19:0+0.005\left|M_{agicResistance}-10\right|,19 \le M_{agicResistance}<30:0.045+0.004\left|M_{agicResistance}-19\right|,30 \le M_{agicResistance}<40:0.089+0.003\left|M_{agicResistance}-30\right|,40 \le M_{agicResistance}<50:0.119+0.002\left|M_{agicResistance}-40\right|,50 \le M_{agicResistance}<100:0.139+0.001\left|M_{agicResistance}-50\right|,100 \le M_{agicResistance}<150:0.189+0.002\left|M_{agicResistance}-100\right|,150 \le M_{agicResistance}<250:0.289+0.003\left|M_{agicResistance}-150\right|,250 \le M_{agicResistance}<350:0.589+0.002\left|M_{agicResistance}-250\right|,350 \le M_{agicResistance}<500:0.789+0.001\left|M_{agicResistance}-350\right|\right\}