
Originally Posted by
BakaHentai
The same way DMM players figured it out, along with most of everything else. By build testing and comparing results. If you can think outside the box and stop relying on others, stuff like this isn't hard to do with a knowledge of simple math.
The best part is, you don't even need to find an exact number or multiplier to know something provides a better bonus over another. In this case, eidolons.