round crater
The Beast's blade is the final form of the sword, It has all the anvil upgrades and it makes the sword 3 damage stronger toward the Beast. The 3 damage only activates if a or some relics didn't already surpass this 3 damage. The throwing knife looks the same but it also has the 3 damage thing.
iron tulip
It can have a special ability like the beast red eye laser when you swing when holding the trigger
gilded pine
I honestly think it would be cool as just a change to how the weapons look when fully augmented