Originally Posted by
MrCow
I'm pulling this one out of the Mad_Bombardier archives for the physical damage part of a glancing blow:
* BAB +0 to +10, Glancing Blow Dmg = Physical Damage / 5 (=20% of physical damage)
* BAB+11 to +15, Glancing Blow Dmg = Physical Damage / 4 (=25% of physical damage)
* BAB+16 to ..., Glancing Blow Dmg = Physical Damage / 3.33 (=30% of physical damage)
* THF feat adds +10 to the secondary Physical Damage roll, before division by the appropriate divisor.
* ImpTHF adds another +20 (total +30) to the secondary Physical Damage roll, before division.