This mod offers you very hard to make swords and more, the swords are hard to make but they are also very powerful, I also put here the construction of some items in the mod, but I must say that the images are from the first versions of this mod, so the textures may look old

Netherium Sword:

Toxic Guard:

Details:
the netherium mine in the mod can only be found in the crimson forest
the netherium sword can be obtained by trading with a specific villager
Enderium, the mine added to the mod in version 1.0.1, can only be found in the end city, in the highlands, in the small end islands and is the most difficult mine in the game
if you try to break the toxicium mine without the toxic guard item in your inventory, you will be poisoned, nothing will happen if it comes into your inventory, but you cannot carry the toxicium ingot item without the toxic guard item in your inventory because it will apply a poison effect to you the moment it comes into your inventory
The height at which netherium ore can be found is between a minimum of 20 and a maximum of 50
The height at which enderium ore can be found is between a minimum of 20 and a maximum of 55
The height at which toxicium ore can be found is between a minimum of -40 and a maximum of -5
Blazestone has a 70% chance of exploding when broken.

My Legendary Sword