A Mithril Sword is a weapon in Survival 303.
The mithril sword is the second most powerful sword in the game, capable of killing players instantly if hit to the head.
It is not mass-producible, unlike steel (which remains a great weapon) but can easily intimidate players.
- It was considered the best weapon in game in terms of damage, but is now behind most of the bluesteel items. It has the same damage and speed as the bluesteel hatchet.