Vorpal Gun/zh

 is a gun that has a chance to fire a critical shot which deals 100 damage. The chance to fire a critical shot increases with coolness.

Trivia

 * This gun is a reference to the fact that 'Vorpal' means unusually or impossibly sharp, a word coined by Lewis Carrol in his nonsense poem 'Jabberwocky'.
 * This gun is also a reference to an artifact type called "Vorpal" from D&D series, that upon a roll of natural 20 severs the head of those it strikes, in most cases instantly killing them.