Devil's Box

Effects

 * Upon use, Devil Box has a 50% chance of spawning 2 items from the Devil Room Pool
 * If the effect fails, it damages Isaac for 3 hearts of damage.
 * Devil Box can only be used once.
 * While held, it increases the player's evil by X. When used, it permanently increases the player's evil by Y.

Trivia

 * The fiddle is actually known as "The devil's box" as it was the main instrument the devil played in many a Christian folklore.
 * The box is black, has a red upside down cross and a red pentagram, which are 3 major signs of the devil himself.