Binding of Isaac: Rebirth Wiki

Lost Contact is a passive item.


  • Gives Isaac's tears a shield surrounding them, allowing the player to block enemy shots.
    • Isaac's shots are destroyed upon contact with an enemy's shot.
    • (in Afterbirth) Affects familiar's tears.
  • -0.15 shot speed.


  • Collectible Anti-Gravity iconAnti-Gravity: Placing many tears around Isaac creates a safe zone, especially with larger tears.
  • Collectible Brimstone iconBrimstone/(except in Rebirth)Collectible Maw Of The Void iconMaw Of The Void/Collectible Technology iconTechnology/Collectible Technology 2 iconTechnology 2: Beam/ring/laser destroys projectiles, although only during its damage tick interval. The projectiles are not instantly destroyed when they touch the beam/ring/laser.
  • (in Afterbirth † and Repentance)Collectible Compound Fracture iconCompound Fracture/Collectible Cricket's Body iconCricket's Body/Collectible The Parasite iconThe Parasite: Split tears will be shielded. The Parasite's split tears will not appear to have shields.
  • (in Afterbirth † and Repentance)Collectible Eye of Belial iconEye of Belial: Piercing through a projectile will trigger Eye of Belial's double damage and homing effect. Belial tears will still block shots.
  • (in Repentance) Character The Forgotten iconThe Forgotten: Enemy shots may be reflected with melee attacks. The damage of the reflected shots depends on their size and properties, with standard enemy shots dealing 6 damage, champion and homing shots dealing 7 and explosive ones dealing 50.
  • (in Repentance)Collectible Jacob's Ladder iconJacob's Ladder: Destroyed tears via shot-blocking will trigger the electric arc effect.
  • Collectible The Ludovico Technique iconThe Ludovico Technique: Can block an infinite amount of enemy shots if the tear is placed on top of a monster. The projectiles that they attempt to shoot will be immediately destroyed.
  • (except in Repentance)Collectible Mom's Knife iconMom's Knife: The knife will destroy projectiles in its path without being affected.
    • (in Repentance)The knife does not destroy projectiles.
  • Piercing tears: The tears can pass through multiple enemy projectiles. This means that one tear can hurt the enemy and block its projectiles.
  • Collectible Polyphemus iconPolyphemus: Enemy shots are treated like enemies with 10 health, which are deducted from the Polyphemus tear. If it has strength remaining afterward, it will continue.
  • (in Afterbirth † and Repentance)Collectible Sinus Infection iconSinus Infection/(in Repentance)Collectible Mucormycosis iconMucormycosis: Tears that stick to enemies will block shots, and will not be destroyed in the process.
  • Collectible Soy Milk iconSoy Milk: The constant stream of tears will cut through any complex attack patterns with ease.
  • (in Repentance)Collectible Spirit Sword iconSpirit Sword: Sword swings reflect projectiles.
  • (in Repentance)Collectible Almond Milk iconAlmond Milk: The random tear effects can allow more shots to be blocked, as effects such as (in Afterbirth † and Repentance)Ouroboros WormOuroboros Worm, Collectible My Reflection iconMy Reflection, and Collectible Tiny Planet iconTiny Planet can cause tears to wander outside of the main stream of tears. However, this, in combination with the lower fire rate of Almond Milk compared to Soy Milk, makes Almond Milk slightly less effective than Soy Milk at blocking shots in the direction Isaac is shooting.
  • (in Afterbirth and Afterbirth †)Collectible Tech X iconTech X: The rings block enemy shots.
    • (in Repentance) The rings sometimes block enemy shots. [more testing/debugging required]
  • (in Afterbirth † and Repentance)Collectible Trisagion iconTrisagion: Beams will block shots and continue on.


  • Collectible Dr. Fetus iconDr. Fetus: Bombs will not destroy or block shots. Stat effects apply.
  • Collectible Epic Fetus iconEpic Fetus: Missiles will not destroy or block shots. Stat effects apply.
  • (in Rebirth and Afterbirth) Collectible Fire Mind iconFire Mind: Lost Contact will remove the chance to explode on impact effect.
  • (except in Rebirth)Collectible God's Flesh iconGod's Flesh: Tears with the shrink effect do not appear to be shielded, but will still block enemy shots.
  • Collectible Godhead iconGodhead: Auras will not block shots but tears will.
  • (in Afterbirth † and Repentance)Collectible Haemolacria iconHaemolacria: Main tears will block shots but burst tears cannot.
  • Collectible Ipecac iconIpecac: Ipecac shot will explode upon contact with an enemy's shot.
  • (in Afterbirth † and Repentance)Collectible Lachryphagy iconLachryphagy: Tears often block shots before they can burst; however, burst tears can also block shots.
  • (except in Rebirth)Collectible Kidney Stone iconKidney Stone: The stone will not block shots.
  • (in Rebirth and Afterbirth) Collectible Mysterious Liquid iconMysterious Liquid: Overridden by Lost Contact.
  • Collectible Rubber Cement iconRubber Cement: Tears will bounce off of enemy tears and destroy them.
  • Collectible Tough Love iconTough Love: Teeth will not appear to be shielded but will still block enemy shots.

In-game Footage