The TNT Sword, introduced by the More Swords ideas pack, is a weak weapon with a powerful twist. While it only does of damage, when right-clicked it will cause an explosion with the power of two TNT centered on the player using it. The explosion will destroy blocks and hurt entities. However, using this attack will destroy the sword.
Durability[]
The TNT Sword has 20 durability points, making it even weaker than gold.