Talk:Lightning Menace Silas/@comment-28739031-20160618040456/@comment-28777420-20160618045220

It means 70% of any units Atk will go to their Def.

So if Silas has, say 4000 Atk, 70% of it (2800) would go to his defense.

Fun fact, this is the known highest "Atk to Def" conversion of any unit currently!