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Question: What's the fastest 1H BW above level 70?
I'm buying 9 1H GM BW Scrolls. I was wondering if I should use them on a Crushed Skull. I think it's Normal (6).

Above level 70, there's 1 fast(5) and a bunch of normal(6) 1h BWs.
The duck tube (level 100, 90 attack) is the fast(5).
The highest normal(6) weapons are the VIP 1h BW (118 atk), Crushed Skull (115 atk), Agares Bloody Hammer (114 atk), Timeless Allargando (110 atk), Reverse Allargando (108 atk). Of course the Timeless and Reverse average +5 and +3 atk from leveling up, respectively. And the last 3 are all untradeable-on-equip, so you can never resell them.

You could of course look this up yourself using the purple database link.