16 str for swapping out between most of weapons that you can use. The Mailbreaker's ( faster recovery than the parrying dagger) intent is sacrificing a shield for the agressive bait of parrying your unsuspecting opponents and riposting. You can take most hits and the idea of this fighter is to adapt to the changing pace of combatants (multiples weapons such as flamberge, SKSS, anything that weighs up to 6 units in one slot or two weapons that add up to 6 units)