Law's strength >>>>>> fodder strength
Magnetic force is literally stronger the closer the target to the object.
Kidd always brings metal to his battles just like Zoro brings his swords to his battles.
Assign can incapacitate swordsmen alone by making their swords stuck to them and rendering them powerless.
Assign is a move that is literally a swordsman's worst nightmare and the same would apply to Zoro.
Magnetic force is literally stronger the closer the target to the object.
Kidd always brings metal to his battles just like Zoro brings his swords to his battles.
Assign can incapacitate swordsmen alone by making their swords stuck to them and rendering them powerless.
Assign is a move that is literally a swordsman's worst nightmare and the same would apply to Zoro.
And as I said it needs to touch the enemy so is unlikely.
More chances to lose an arm or retreat due damage than actually touch the target in a 1vs1 vs a competent enemy.