Know that pmfun doesn't have always valid info but it seems that it should be like this. These augu are not overkill, it's just little bonus.

https://lineage.pmfun.com/list/augment


pasive emp
3241 Item Skill: Empower 10 +55 mAtk

active emp
3133 Item Skill: Empower 10 +61 mAtk