As players get higher and higher in their level of item, and they get more and Lost Ark Gold more Engravings until they reach +9 Node status, it becomes the real balance of using two Engraving Slots along with all the accessories (rings or earrings, necklaces) and of course the Ability Stone to get the best possible combination of Engraving activations possible.
Where to Find Them?
Let's take a look at some options that are the most secure ways to obtain Ability Stones for those who are unable to obtain the one they're looking for. Fortunately, Ability Stones are actually found in a number of places, so they're pretty easy to accumulate without even knowing it. They're available as drops within a lot of the daily checklist of post-level 50 content including:
Fortunately, there's plenty of material from the original Korean edition of the game left to release in the West which means there will be even more methods of getting them as time goes on.
What resources and tools are There For Ability Stone Faceting?
Finally, let's talk about what resources a standard player must use to get most value from their ability Stones. Sure, players can roll-the-dice and play the odds by themselves in order to get their preferred Faceting rewards, but there are also a variety of fan-made tools and resources players can use to achieve the best results statistically without having to do all the difficult thinking themselves.
There are plenty of them on the market but we'll list those we have personal experience with:
This one is on Lostark.meta that lets players select which lines of the Calculator to use and also a variety of other options. Posted by u/morbid on the Lost Ark Reddit.
This one is on Tooki.app developed by u/GigaGirth as well as many other applications best place to buy Lost Ark Gold, such as an Honing Calculator and a Daily Tasks Tracker.