This page pertains to both Omnir's Melee Weapons and the Reborn Mod. The items, NPCs, or features described in this article can be found in both mods, but not in standard Terraria.
This disambiguation page lists articles associated with the same title.

The Nodachi is a broadsword-like weapon implemented in the above-mentioned mods for Terraria. It has a quite different sprite to its sword counterpart, though its damage is quite similar. There is currently only one Nodachi: