TK Lafours
First Post
The impact would be to a fighter, ranger, paladin or warlord, who would now have a choice between the longsword and the rapier, both with the same damage and proficiency bonus.
I think it is superior specifically for when those classes take the rogue multi-class feat. The light blade limitation for backstab is meant to be a limitation and if rapier were martial, the limitation would be meaningless for fighters etc..
Plus, as more books come out we are going to see more powers and feats that use light blade. It will be even more important for fighters etc.. to be balanced by having to use a feat to get access to the best light weapon if they want to combine those coole feats/powers with a good weapon.