Katana

The katana is a weapon sold by the Traveling Merchant. Considering he can spawn very early game, and the fact that the katana has very good stats for an early game sword, it can be useful for a while (until the player gets a Muramasa). Including the fact that the katana has autoswing, it can be extremely useful against the Eater of Worlds. This weapon has an extremely high base crit chance of 19% compared to other swords 4% which further adds to its effectiveness.

Trivia

 * Katanas are a type of Japanese sword, renowned for their sharpness and superb craftsmanship, which was developed as a result of the poor quality of the iron that medieval Japanese swordsmiths had access to.