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Dec 29, 2012 -- 11:29AM, Plaguescarred wrote:

The custom content you are allowed to post can be posted whereever you want. About the shared mechanic parts, you can always PM WoTC_Trevor for approuval if in doubt.

I'm going to take this as the answer to, "Can I post the number crunching I've done between Fighter using a bow and my Telekinesis rules?"

Q300: Kind of a general question. When doing some loose number crunching/comparing for damage with homebrew rules, how would I add in half damage on miss? Would simply adding that half damage to the total damage feel solid enough, or do I need to step into accuracy? (Would far prefer to let bounded accuracy worry about that noise.)

I know I'd have to playtest it a bunch before having anything solid, but I would still like something that sounds decent on a theoretical level.

Dec 31, 2012 -- 6:31PM, FluxPoint wrote:

A300: I think that really depends on how you want the damage to work. I think adding in half damage and not touching accuracy is fine. Think about how mage spells work. You might also look at glancing blow from previous packets.

Let's say your level 20 warrior does 7d6+5 on a hit and hits 50% of the time. That's also 1d6+47 on a crit (5% - which is 5% of the 50%). So in essence, he misses 50% of the time and that does 'half' damage. Half of what? Let's say it means 7d6+5 halved. 

[math spoiler]
Spoiler: Show

Avg on 1d6 is 3.5.
7d6+5 avg is thus 29.5
The crit avg is 50.5
So your 'half' damage avg is 29.5/2 = 14.75
How to do the calcs without your 'half' damage is : 0.45 * 29.5 + 0.05 * 50.5 + 0.5 * 0 = 15.8
The last 0.50 * 0 is the 50% of the time that you do 0 damage from misses. 
If you look at this number, you'll notice that it is higher than half of 29.5 because crits bring it up a bit. 

Now if you do 14.75 on misses, you repeat this as: 0.45 * 29.5 + 0.05*50.5 + 0.5 * 14.75 = 23.175
That's roughly a 50% increase which would have been 23.7 (but not quite because there's no crits in the miss region). How much miss damage helps depends on the initial accuracy. As you miss less often, it has less of an effect - more or less proportional to your miss chance. Either way your damage output would change from whatever it is currently and get an increase of:  miss chance * missed damage output. Which as miss chance becomes smaller becomes less and less important to your overall damage capabilities. 

Ahhhh bubblegum. I didn't even think about crits. And I just now read the thing about weapons doing an extra die of damage. That complicates things, because it's Bow vs Telekinetic Attack vs Telekinetic Dex Save. I'm going to ignore that for now, it gives weapons a boost if anything and that I don't mind at all. I will redo the math later, but I need to do it in a scripting/programming language. I can do it right with programming. For loops!

Thx for answer.

Fixed Damage Option: A DM now has a choice between using a fixed damage number or rolling damage, both of which are listed in a monster’s stat block.