@gamerxxx3109Thanks for the post. I have seen some allegedly leaked files that suggested that a sword was in the works, but this was never confirmed to be put in the game. Many games have concepts toyed with that don't make it into the game already so I don't want to get hopes up, but it would be cool.
A bow could work, but I'd not be sure of its niche. The Kraber would already be better at hunting players, and there's already a Charge rifle for anti-titan charge-sniping. A bow could definitely be fun though.
For throwing knife fun there's always the pulse knife. If you don't have the execution yet it's worth trying to get your 10 kills. I won't pretend it's easy, but it's a fun challenge and very satisfying when you get it.
Arc mines were added for Frontier Defense, but I don't think they would be fun to play against, and we already have the spicy bois (ticks) playing the role of a mine. I can see a place for special wall area denial mines, perhaps "slick" mines with ignitable oil or something. That said, it can be frustrating to have your movement hampered, especially in a game this movement-focused.
I'm not sure I'd agree about mods needing a stronger impact, as every gun should have its drawbacks, even all-rounders. If one gun is already good and can be modded to be too strong then everyone will use it, which is less fun for everyone. Of course in any game weapon balance will be an endless task, and adding dramatic mods would exacerbate the challenges for balance.
Anyway, thanks again for the post, I love talking about TF|2.