2015/10/22 14:51, Svarten:   Here's how I think it works.
I think the game uses a single 'hit roll' to determine whether you actually hit, and how much damage you score. This is some random number distribution that looks like (50, +50), adding your ob and subtracting your foes' defense, and numbers above 0 indicates a hit. If you do hit, the 'hit roll' is then clipped to the range of (0, 150) and damage is calculated from how high that number is, and the weapon's base damage. I think the listed weapon's base_damage is (sort of) the minimal damage you can score with each hit, occurring when your 'hit roll' is exactly 0, and that there's a damage cap of 4*base_damage, occuring when the hit roll reaches 150.
I'd therefore estimate that +10 ob gives you, on average and over time, +20% to whatever base damage your weapon does, per hit that lands. That's around +2 damage for a sword or +4 damage for a troll fist. It's not going to scale up as your hitrolls become higher, though  it'll just remain to be +2 damage per hit.
If you fight foes you can barely hit, that +10 ob will however make you hit a lot more frequently. Let's say you hit half the time without the +10 OB from the better weapon. Perhaps you then will land hits 60% of the time instead of 50%, resulting in yet another +20% damage boost over time, that ought to be multiplied with whatever extra damage you deal with each hit.
If you on the other hand fight foes that you can consistently hit, you will already be dealing much more damage per hit than your weapon's base damage, and since the damage boost you get for +10 ob is in absolute numbers (say, 2 extra damage for a sword) it's going to be less noticeable in relative numbers when your hits deal 3040 damage instead of 1020.
It's therefore, according to this estimate, going to be a rather substantial damage boost, over time, for those +10 ob if you fight foes that you can only hit occasionally. At medium hitroll numbers, when you consistently hit, but don't yet deal maximal damage with your hits, the added +10 ob will instead make you deal somewhere between, say, +7% and +10% to your relative damage output over time. It's still quite alright! And on the high end of the spectrum, when you deal MAXIMAL damage with nearly all hits regardless of the extra +10 ob, it would eventually cease to give any damage boost at all. Boo. But this won't happen for low level, nonwarriors. 
