120 Volt

120 Volt is a passive item added in The Binding of Isaac: Repentance.

Effects

 * Repeatedly zaps enemies that are in close proximity to Isaac with electricity beams for light damage.
 * Enemies can be zapped up to six times per second, with each zap dealing 0.75x Isaac's damage.
 * Each zap can hit up to 4 enemies, if they are sufficiently close to each other.
 * If the floor is wet, such as, , and some rooms in , the initial distance is unchanged, but enemy-to-enemy arcing reaches further.
 * The initial distance is not affected by wet floors created by . Secondary jump distances are still increased.
 * Trigger range appears to be approximately two 'blocks' wide - It's possible to zap an enemy standing directly on the other side of a rock. This range seems to be equal to to the poison range of.
 * Has a brief targeting delay, such that enemies can close in and touch Isaac before they start getting zapped.

Synergies

 * Charmed monsters (from, for example) trigger the effect, chaining the reaction with every enemy in the room and doing massive damage.
 * : Zaps will not stop the pause effect allowing Isaac to kill or chip bosses easily by standing near them for the duration of the pause effect.
 * : Zaps enemies while Isaac is invincible, allowing most rooms to be cleared without moving.
 * Enemies won't target Isaac, thus can safely zap enemies while standing near them. However, this won't work with bosses.

Trivia

 * This item originated in the Antibirth mod. It originally had an effect similar to and a different costume.