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View Full Version : item creation rules glitch? (3.5)

alisbin
2010-05-09, 11:25 AM
hey mates,
making some items for my group and i noticed something that's not making sense to me. when making items with charges/day, it seems like the more charges/day it has the cheaper it is...
http://www.d20srd.org/srd/magicItems/creatingMagicItems.htm
it says that you divide the base cost by X (X=5 divided by total charges/day) obviously this is a mistake of some sort, is there an official correction? should it be multiply the base cost by X(X=5 divided by total charges/day)? or am i totally misreading it.

senrath
2010-05-09, 11:28 AM
No, it's right. Up to 5 charges/day, it's either cheaper or no change. After that, it starts to get more expensive, since you're dividing by a fractional number.

Private-Prinny
2010-05-09, 11:29 AM
hey mates,
making some items for my group and i noticed something that's not making sense to me. when making items with charges/day, it seems like the more charges/day it has the cheaper it is...
http://www.d20srd.org/srd/magicItems/creatingMagicItems.htm
it says that you divide the base cost by X (X=5 divided by total charges/day) obviously this is a mistake of some sort, is there an official correction? should it be multiply the base cost by X(X=5 divided by total charges/day)? or am i totally misreading it.

The larger the number you're dividing by is, the smaller the result is i.e. 4/1=4, 4/2=2. If you have more charges, you're bringing down the number you divide the cost by, which ups the cost for additional charges/day.

If that's confusing, I might be able to word it better.

nedz
2010-05-09, 11:33 AM
Not quite
Cost/(5/(Charges per day)) = Cost*(Charges per day)/5

Its obviously badly written but basically 5/day = standard cost, 10/day = double cost.

Zeta Kai
2010-05-09, 11:38 AM
Well, let's say some item normally would cost 18,000gp. Now, let's say, to reduce the cost, we want it to cost X charges per day. According to the rules (http://www.d20srd.org/srd/magicItems/creatingMagicItems.htm), you divide by (5 divided by charges per day); this is copied from the table Estimating Magic Item Gold Piece Values. Let's look at what happens:

1/Day: 18,000gp/(5/1) = 18,000/5 = 3,600gp
2/Day: 18,000gp/(5/2) = 18,000/2.5 = 7,200gp
3/Day: 18,000gp/(5/3) = 18,000/1.667 = 10,800gp
4/Day: 18,000gp/(5/4) = 18,000/1.25 = 14,400gp
5/Day: 18,000gp/(5/5) = 18,000/1 = 18,000gp
6/Day: 18,000gp/(5/6) = 18,000/0.833 = 21,600gp
7/Day: 18,000gp/(5/7) = 18,000/0.714 = 25,200gp
8/Day: 18,000gp/(5/8) = 18,000/0.625 = 28,800gp
9/Day: 18,000gp/(5/9) = 18,000/0.556 = 32,400gp
10/Day: 18,000gp/(5/10) = 18,000/0.5 = 36,000gp

I see no glitch, except perhaps in your math. :smallwink:

alisbin
2010-05-09, 11:53 AM
heh, i guess i shouldn't try to do math when sleep deprived, thank you all for the correction, i think i got it now.