Talk:Overlord Volume 9/@comment-42.117.93.110-20150815151454/@comment-26135947-20150818092153

Ainz has a high level physical negation special passive skill, this would render the damage of low level weapons and low level spells (up to 6th Level) completely ineffective. At most, it would render attacks below level 60 ineffective. So my guess is that his sword can ignore this passive skill.