and I read and saw almost everywhere that the sword has in the 3 heavy attack linesman, but I see that this attack does not penetrate any enemy (like 1 clanrats).
(saw it in the “Melee Mastery Mechanics” form ThePartyKnife and some spreadsheets)
In general, you should not really trust anything about stats someone might of said if there are couple of patches or months between the information.
I’ve read a lot of random guides on steam and I could say nearly 90% of them have inaccuracies due to not being updated often enough.