고의가 없는 과오

Can be done by Pela or the Light Cone "Return to Darkness". The Engine of Destruction in Echo of War will buff one of it's hand every turn, so you can debuff it 5 times here.

"No offense" is commonly used as a way to express that the speaker does not mean to cause offense or harm, even though the content of their statement may be perceived as such. In this context, it carries on the double meaning of not allowing the enemy to have added offensive capabilities by removing their buffs.