Dark and Darker Will

0 Will starts at = 0 Magic Power

Every Will point gives an increase to Magic Power

• 0 -> 0
• 0 to 100 = 1 per point -> (threshold at 100)

0 Magic Power starts at = -90% Magic Power Bonus

Every Magic Power point gives a  % increase to Magic Power Bonus depending on fixed thresholds

• 0 -> -90%
• 0 to 1 = 0% per point -> (threshold at -90%)
• 1 to 5 = 10% -> -50%
• 5 to 15 = 5% -> -0%
• 15 to 25 = 3% -> 30%
• 25 to 40 = 2% -> 60%
• 40 to 50 = 1% -> 70%
• 50 to 100 = 0.5% -> 95%

0 Will starts at = -20 Magic Resistance

Every Will point gives an increase to Magic Resistance depending on fixed thresholds

• 0 -> -20
• 0 to 5 = 4 per point -> (threshold at 0)
• 5 to 35 = 3 -> 90
• 35 to 55 = 2 -> 130
• 55 to 65 = 1 -> 140
• 65 to 91 = 0.5 -> 153 (increases by 1 every 2 points)
• 91 to 92 = -1 -> 152 (probably a mistake)
• 92 to 94 = 1 -> 154
• 94 to 100 = .5 -> 157 (increases by 1 every 2 points)

Magic Resistance can go as low as -300 = -595% Magical Damage Reduction

0 Magic Resistance starts at = -10% Magical Damage Reduction

Magic Resistance gives a  % increase to Magical Damage Reduction depending on fixed thresholds

• -300 -> -595%
• -300 to -15 = 2% per point -> (threshold at -25%)
• -15 to 10 = 1% -> 0%
• 10 to 19 = 0.5% -> 4.5%
• 19 to 30 = 0.4% -> 8.9%
• 30 to 40 = 0.3% -> 11.9%
• 40 to 50 = 0.2% -> 13.9%
• 50 to 100 = 0.1% -> 18.9%
• 100 to 150 = 0.2% -> 28.9%
• 150 to 250 = 0.3% -> 58.9%
• 250 to 350 = 0.2% -> 78.9%
• 350 to 500 = 0.1% -> 93.9%

0 Will starts at = -80% Buff Duration

Every Will gives point gives a  % increase to Buff Duration depending on fixed thresholds

• 0 -> -80%
• 0 to 5 = 10% per point -> (threshold at -30%)
• 5 to 7 = 5% -> -20%
• 7 to 11 = 3% -> -8%
• 11 to 15 = 2% -> 0%
• 15 to 50 = 1% -> 35%
• 50 to 100 = .5% -> 60%

0 Will starts at = 400% Debuff Duration

Every Will point gives a  % increase to Debuff Duration

• 0 -> 400%
• 0 to 1 = 170% per point -> (threshold at 233%)
• 1 to 2 = 83% -> 150%
• 2 to 3 = 50% -> 100%
• 3 to 4 = 33.3% -> 66.7%
• 4 to 5 = 23.8% -> 42.9%
• 5 to 6 = 9.6% -> 33.3%
• 6 to 7 = 8.3% -> 25%

…

• 100 = -37.5%

Use the chart for accurate info.

The decrease slowly slows down with different reduction amounts that is not logarithmic nor linear.