Since ability increases with level come as +1s, not +2s, the benefit is not without penalty. True, the penalty may be delayed, but it is still there.
There is no penalty associated with +1 ability power-ups. It is all a benefit. It is designed this way... Everyone gets them, and so it is balanced.
What is not balanced is when you mete out benefits and penalties based on wether a score at character generation was odd or even. Which you can do if you give +1/-1 ability mods. You cannot do this with +2/-2.
I am not saying that +1/-1 necessarily creates benefits without penalties, only that it can. And when one player can gain a benefit when another cannot based on his race's ability mods, then you have a situation that is not balanced.
That is why they don't exist in core DnD. People say they don't get the logic, so I'll keep repeating it.
Agback said:
If I had a +1 adjustment to my most important ability , and my best roll were even
This has nothing to do with the problem I have with +1/-1 adjustments. Nothing at all.
The problem (as in, there are no others), comes when the abilities to be adjusted are both odd, and the player gains a +1 and loses nothing.
This holds if the score increased were 7 and the score reduced were 17... He has shored up a weakness and lost nothing.
Agback said:
Sure, your minimaxer gets a +1 to some unimportant ability mod through levels 1 to 3, but I [eventually--at fourth level] get a +1 to my most important ability, and I'm going to use that a lot more.
Please do not call him a min-maxer for using the system the way you would wish to alter it to. That moves the responsibility for the system abuse to him from you.
But even here your example only covers the case where the highest ability score is even... when you say the "min-maxer" won't put the +1 into that stat, and you would. How does this logic change when the highest score is odd? Does it change? Darned right it does.
But it does not change either way, even ability score or odd, when you have a +2/-2 system.
And under point-buy systems, there is a benefit-without-penalty anyway. -2 to a low ability is worth -2 ability points, and +2 to a high stat is worth at least +6 ability points. That's good for +1 to each of two ability modifiers of secondary importance. That is, under a point-buy system an elf with 18, 16, 14, 14, 10, 8 can be worth the same points as a human with 18, 16, 12, 12, 10, 8. I wouldn't fuss about a potential gain of +1 and blink at a +2.
Meanwhile, the human has an extra feat, generally allowing him earlier access to PrCs, the human has an extra 4 skill points, with an extra at each level, meaning he can be skillful at more things than the elf, and also allowing him entry into PrCs with more ease.
That is the benefit that the human gets, when the elf with those stats gets other things.
Consequently, the larger the point buy (and that human is 36 point buy, if I'm not mistaken), the less advantageous it is to play a human. The smaller the point buy, the more advantageous. With larger point-buy systems, it becomes easer to reach higher primary stat scores with racial mods, which are worth more points than the human has available.
Meaning, the value of the elf's higher ability scores weighed against the human's advantages changes depending on the power-level of your game. So trying to compare the two is meaningless unless you set a given power level, and it is certainly unlike my (the) problem with +1/-1 systems. Point buy is balanced, +1/-1 is
potentially not.
Agback said:
I just don't think that a +1/-1 pair of ability adjustments is all that abusive. Under point-buy is is the same as +2/-2 except less so.
+2/-2 forces a penalty to be swallowed.
+1/-1 does not force it.
Agback said:
Even with the default array this 'abuse' produces an advantage that vanishes at fourth level.
Have you ever heard of the theory of the time value of money? It means that money today is worth more than money tomorrow. Similarly, you do not erase the fact that the PC has enjoyed an advantage for three levels by simply removing the advantage.
And it's not abuse.
It's not min-maxing.
It's not powergaming.
It's a flaw that you're trying to build into the system. Those three things above are a problem with the player. This is a problem with the design.
Agback said:
Finally, the supposed problem of odd ability scores would be even much diminished if ability enhancement items were available with odd modifiers, and to a maximum of say +5 instead of +6. This would, of course, mean that some magical items would be of less advantage to some characters than to others (perhaps even of no practical advantage in the case of +1 ability enhancement items) and that some would be able to get bonuses cheaper than others. But I think that that price would be worth paying to reduce the current small value of odd abilities scores. As is stands, a rule that seems designed to cope withteh problem of odd ability scores actually exacerbates that problem.
A +2 Cloak of CHA will always give a +1 to CHA ability mod. And so it will always be worth the same to everyone.
A +1 Cloak of CHA will give a +1 to CHA ability mod to some folks, and nothing to others. It will be worth 4,000gp to some people and 0gp to others. But who would be willing to buy a Cloak of CHA +1 for 4k when you could get a +2 for the same. So the price needs to go down. 2k maybe? And now you're giving +1 CHA mod for half price to some people, and others get nothing... based on the virtue of having even or odd ability scores.
Odd ability enhancers will be worth more to some than others, and so their prices should reflect that change. Meaning some would be not willing to buy it at all, and others would be overjoyed to purchase it at such a discount. You'll be creating a mess for pricing, if you even care to try to sort it out.