Mythril Knives are craftable Hardmode daggers made from Mythril Bars. They fire a knife which travels a short distance before being affected by gravity. They have a 50% chance of being recovered after being thrown.
Performing a stealth strike with Mythril Knives will cause the knife to apply a variety of debuffs for 5 seconds. These include Cursed Inferno, Venom, Armor Crunch, Irradiated, and God Slayer Inferno. On enemies, these combined debuffs cause the target to lose 147 health per second, 20% damage reduction, and 25 defense.
The Mythril Knife cannot be reforged, and therefore cannot have modifiers.
- It is the only one of the six Hardmode ore rogue weapons to not have a piercing ability.