Binding of Isaac: Rebirth Wiki
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(in Afterbirth † and Repentance)

For all Tech items, check Tech (disambiguation)

Technology Zero is an unlockable passive item added in The Binding of Isaac: Afterbirth † (Booster Pack #2).

Effects[ | ]

  • Connects tears with electricity that damages enemies.
    • (except in Repentance) The electricity's damage is equal to Isaac's Damage.
    • (in Repentance) The electricity deals 30% of Isaac's Damage, 15 times per second, for a total of 4.5 times his damage per second.
    • A tear can generate one connection. The tear does not generate another connection even after the connection is lost. However, other tears can still make connections with it.
    • Each of Isaac's tears can connect to other allied tears Including those of shooting familiars.
      • The number of connections is limited by the number of Isaac's tears.

Notes[ | ]

  • When playing as Character Jacob and Esau iconJacob and Esau, the tears of the brother who picked up the item will also connect to those fired by his brother. For example, if Jacob picked up the item, his tears will connect to each other as well as to those of Esau, but Esau himself will not fire any electric tears.

Synergies[ | ]

  • Collectible Anti-Gravity iconAnti-Gravity: All of the tears fired are connected by electricity, creating a series of electric fences.
  • Collectible Apple! iconApple! / Collectible Tough Love iconTough Love: The damage of the electricity can be multiplied by the items. This occurs independently from the tears which generated the electricity.
  • Collectible Cricket's Body iconCricket's Body / Collectible Compound Fracture iconCompound Fracture / Collectible The Parasite iconThe Parasite: Split tears will be connected via electricity.
  • Collectible Evil Eye iconEvil Eye: Tears fired by eye will be connected via electricity to Isaac's tears.
  • (in Repentance)Collectible Eye of the Occult iconEye of the Occult: Allows you to move the electrified tears, allowing you to hit more enemies and do more damage.
  • (in Repentance)Collectible Haemolacria iconHaemolacria: Main tears and bursts can be connected via electricity.
  • Collectible Pop! iconPop!: Tears in midair and tears that knock around each other will still be connected, effectively creating electric barriers and letting the electricity hit multiple times.
  • Collectible Proptosis iconProptosis: Triples the electricity damage. Has no penalty with range.
  • Collectible Sinus Infection iconSinus Infection: Boogers will have electricity flowing between them even if attached to the same enemy, dealing massive damage to bosses.
  • Collectible Sulfuric Acid iconSulfuric Acid / (in Repentance)Collectible Terra iconTerra: The lasers are capable of destroying terrain, but is unable to apply knockback, allowing to easily destroy large quantities of obstacles.
  • Collectible Tiny Planet iconTiny Planet: Creates moving laser fields that orbit the character.
  • Collectible The Wiz iconThe Wiz: The diagonally-spreading tear shots will be connected by electricity, effectively making up for the item's blind spot and providing an attack with a very wide range.

Interactions[ | ]

  • The following items override Technology Zero. Tears from other sources such as Collectible Lead Pencil iconLead Pencil can still generate electricity with each other.
  • Collectible Continuum iconContinuum: Tears will travel through walls; however, the electricity will not connect the tears while they are outside the room. If a tear was connected before it pass through a wall, it will not be connected after passing through, limiting the efficiency of the combination.
  • Collectible Flat Stone iconFlat Stone: Tears lose their connection as they bounce. As such, tears cannot make connection to another tear once they bounce, but other tears can make connection to them.
  • (except in Repentance)Collectible Haemolacria iconHaemolacria: Only main tears can be connected.

In-game Footage[ | ]

Gallery[ | ]

Trivia[ | ]

  • Technology Zero is based on this Steam Workshop item by Ashkait and Scayze.
  • Strangely, this item has the tech item tag, and therefore contributes toward its own unlock, though this should be impossible under normal circumstances.


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