General Milky
Terrarian
Muramasa strikes me as a "for fun" weapon, anyway. It's a super short range blender, but short range doesn't work at all in lategame Terraria. No doubt the mod makers know this, so the fact that Muramasa is an awful matchup to anything you could use it on that late strikes me as somewhat intentional, and it's main "use" is to go back and watch how fast it utterly ruins Golem or something.