I would like to see the Bastard Sword, Heavy Bastard Sword, and Longsword, converted to 1 slot status. Being that these weapons can be used in one hand I believe there is a case for this. I'd like them to be as equally viable as the Langes Messer. This would involve small changes to the stats of all four swords to keep the current balance. Here is what I suggest.
Langes Messer (2h)
weapon length: 92
weight: 1.8
difficulty: 12
speed rating: 101 (+1)
weapon length: 92
thrust damage: 21 pierce (-4)
swing damage: 36 cut (+1)
slots: 1
Secondary Mode
Notes: Being of curved design, this weapon should not out pierce the other three swords, but rather, out cut them. The idea is to have a faster, sharper, but shorter sword.
Bastard Sword
weapon length: 101
weight: 1.8
difficulty: 9
speed rating: 99
weapon length: 101
thrust damage: 23 pierce (+2)
swing damage: 34 cut (-1)
slots: 1 (-1)
Secondary Mode
Heavy Bastard Sword
weapon length: 105
weight: 2
difficulty: 10
speed rating: 98
weapon length: 105
thrust damage: 24 pierce (+1)
swing damage: 35 cut (-1)
slots: 1 (-1)
Secondary Mode
Longsword
weapon length: 106
weight: 1.8
difficulty: 10
speed rating: 97 (-1)
weapon length: 106
thrust damage: 24 pierce (+1)
swing damage: 36 cut
slots: 1 (-1)
Secondary Mode
Notes. These three are self explanatory. Shorter = faster, but less damage.
Additional balance changes required under these values.
Figting Axe 2h. Increase swing to 37c. (Otherwise non-viable as 2h hybrid)
Two Handed Axe. Increase swing to 37c. (Otherwise outdamaged by 2h hybrid axe)
Katana. Make not shit. (Incrase swing to 37c, stab to 22p at bare minimum.)