Originally Posted by
Dailus
Testing it in game has its problems since all stats are generated from random dice rolls.
Glancing Blow Damage is a percentage of the base damage you can deal (Dependant on BAB), so the spread is only about 1 point from the low glancing blow damage you can do to the high glancing blow damage you can do. Glancing Blow Damage is actually among one of the easier things in the game to test in regards to the quarterstaff Two-Handed Fighting feat issue.
Also, I don't claim to be the maker of the information that follows below but some of you folks should find it interesting (note, some numbers may not be completely right):
A Glancing Blow's damage is depending upon three major factors, your BAB, your base damage, and your two handed-fighting feats. Depending on your BAB you use a multiplier on the base damage (not directly the swing's base damage) to find out the Glancing Blow damage. Anything that boosts the physical damage portion of your swing can raise your glancing blow damage (Inspire Courage, Ram's Might, Divine Favor, Rage, the monk's earth-based 5 KI attack, etc.)
- A BAB of +0 to +9 will make you do 20% of the base damage as a glancing blow.
- A BAB of +10 to +15 will make you do 25% of the base damage as a glancing blow.
- A BAB of +16 to ?? will make you do 30% of the base damage as a glancing blow.
The Two-Handed Fighting feats add directly to the base damage of a glancing blow (but not the base damage of your original attack). Because these feats add to the base damage of the glancing blow they will cause the glancing blow to deal more damage. Also, due to the fact that they add to the base damage of the glancing blow they scale with the BAB part.
- The Two-Handed Fighting feat adds +10 to the base damage of a glancing blow, before dividing your BAB multiplier.
- The Improved Two-Handed Fighting feat adds +20 more to the base damage of a glancing blow (stacking with Two-Handed Fighting for a cumulative +30), before dividing your BAB multiplier.
- I have no testing information for Greater Two-Handed Fighting.
This leads to the following forumla:
Glancing Blow Damage = (Base Damage + Two-Handed Fighting Feat base damage) * BAB multiplier
So, based on all of this, lets make a couple examples.
In my example earlier of the quarterstaff a few posts ago I had a base damage of 1d6 + 31, a BAB of 16, and Improved Two-Weapon Fighting. The formula would look like such:
Glancing Blow Damage = ((1d6 + 31) + 30) * 0.3
Glancing Blow Damage = (62 through 67) * 0.3
Glancing Blow Damage = 18.6 through 20.1
I was reporting a damage spread of 18 through 19, so this is pretty darned close.
Another example, lets take someone with a greataxe (for an imagined 1d12 + 27, because I feel like it), a BAB of 12, and none of the feats:
Glancing Blow Damage = ((1d12 + 27) + 0) * 0.25
Glancing Blow Damage = (28 through 39) * 0.25
Glancing Blow Damage = 7 through 9.75
And lets add Improved Two-Handed Fighting to see the difference:
Glancing Blow Damage = ((1d12 + 27) + 30) * 0.25
Glancing Blow Damage = (58 through 69) * 0.25
Glancing Blow Damage = 14.5 through 17.25
Thats almost double the glancing blow damage with those feats.
Also, to help break it down a bit for some people:
Code:
BAB FEAT Added Damage to Glancing Blow
0-9 None 0
0-9 THF 2
0-9 ITHF 6
10-15 None 0
10-15 THF 2.5
10-15 ITHF 7.5
0-9 None 0
0-9 THF 3
0-9 ITHF 9
By the way, if you don't believe Two-Handed Fighting works for quarterstaffs, take it and compare what you did before you got it and after you got it. Based on the above math you WILL notice a difference somewhere.