Each of the given accessory slots has three different sorts of Augment that can be applied; one adds boss damage and critical chance, one adds critical chance and critical damage, and the last adds HP and PvP defense. Each sort has a maximum amount that it can add to an accessory, but each augment application is randomized; you could wind up with the best values right away or roll them multiple times without much luck. Check out the full rundown for numbers before you get ready to make your best accessories even better after all.
Blade & Soul are the sort of things that you know you can wear for a very long time without replacing. That’s good, but it also means that you’ve hit a dead end in terms of chasing new stats. So the new Augment system will help change that by giving you more stats to chase! Sure, your ring already has great stats, but it could be enhancing your damage against bosses. Doesn’t that sound even better?
Source: Official Site