Talk:Polarity/@comment-78.62.130.161-20130422133210

A mod that costs 9, placed into a slot with mismatched polarity increases to 11.

9 * 1.25 = 11.25

This means that the number is not rounded up (11.00001 would result in 12), but rather rounded to the closest integer (<11.49 = 11, 11.5< = 12).