Fire Stone

The Fire Stone is a item that is used to evolve Specific Fire based abilities to upgrade versions, much like the Lightning Stone does the same thing to Specific Electric Based Abilities.


 * To be successful, you must have 500 mastery on that certain Fire based ability

Trivia

 * Both Black Leg and Diablo Jambe are Sanji's Fighting Styles from the popular show: One Piece
 * Black Leg is Sanji’s Fighting Style Pre-Timeskip, Díable Jambe is Sanji’s Fighting Style Post-Timeskip