Tech X

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Tech   X
Item icon
Item altar
"Laser ring tears"
Table dividing line 1.png
Item ID
5.100.395
Character Appearance
Character appearance
Table dividing line 2.png
Table dividing line 3.png
Collection Grid
Added in Afterbirth † / Removed in Repentance(page 4, column 10, row 2)
Removed in Afterbirth †(page 4, column 10, row 2)
Added in Repentance(page 4, column 11, row 2)
Added in Afterbirth

For all Tech items, check Tech (disambiguation)

Tech X is a passive item added in The Binding of Isaac: Afterbirth.

Effects[edit | edit source]

  • Isaac's tears are replaced with ring-shaped lasers.
    • Shots can be charged to increase the size of the rings.
    • Only the outer circumference of the rings will deal damage.
    • Rings pass through obstacles and enemies.
    • Rings have infinite range and will travel until they hit a wall.
    • Added in Repentance Damage dealt is based on the amount charged, starting at 25% Isaac's damage and scaling to 100% at maximum charge.

Notes[edit | edit source]

  • The rings are similar in appearance to the combination of 15►The Ludovico Technique The Ludovico Technique and 15►Technology Technology.
  • The laser rings will linger for a brief moment upon touching a wall, allowing more damage to be dealt to enemies closer to walls.
  • The "R U A WIZARD?" pill effect does not work with Tech X.
  • Removed in Repentance Charging only increases size, not damage. It is useful for hard-to-hit enemies or hitting a wide area at once, but spamming small, uncharged shots will lead to much higher damage output.
    • Added in Afterbirth † / Removed in Repentance With the charge bars option enabled, the rings can be released immediately as the charge bar appears for easier gauging of maximum damage output.
  • Added in Repentance The maximum ring size is slightly smaller in Repentance.

Synergies[edit | edit source]

  • 15►20/20 20/20: Fires two Tech X rings instead of one.
  • 15►Brimstone Brimstone: Fires a brimstone circle instead of a tech circle.
    • Azazel Azazel: Picking up Brimstone will still override Tech X. When you pick up Tech X as Azazel with his inherited Brimstone, Tech X does nothing at all.
      • Added in Afterbirth † As Azazel, Brimstone no longer overrides Tech X, instead Tech X overrides Azazel's Brimstone. This works quite well with Azazel's good initial damage stat and also negates his initial range penalty.
      • Added in Repentance Overrides Tainted Azazel's Brimstone.
    • Brimstone + 15►Technology Technology: The damage boost from Brimstone+Technology is lost, but the laser fires while charging the brimstone ring.
  • 15►Dr. Fetus Dr. Fetus: Overrides the charging effect, but shoots a laser ring with a bomb in the middle.
  • 15►Epic Fetus Epic Fetus: Each missile shoots 10 laser beams like from 15►Technology Technology in each direction, similar to Tammy's Head.
  • Added in Repentance15►Explosivo Explosivo: Tech X rings can sometimes create an explosivo tear that sticks to enemies on hit.
  • Added in Afterbirth †15►Haemolacria Haemolacria: Haemolacria tears will burst into 3-5 Tech X rings on impact.
  • Added in Repentance15►Lost Contact Lost Contact: Tech X rings are able to block projectiles as they travel.
  • 15►Mom's Knife Mom's Knife: Simultaneously fires the knife and laser ring(s).
    • Added in Repentance: Overrides Tech X.
  • 15►Monstro's Lung Monstro's Lung: Extra laser rings with different sizes depending on how long Isaac charges it are fired, will increase charge time.
  • Added in Repentance15►Mucormycosis Mucormycosis: Hitting enemies has a chance to stick a spore to them.
  • Added in Repentance15►Rubber Cement Rubber Cement: The rings bounce off walls once and have infinite range.
  • 15►Spoon Bender Spoon Bender: While the rings won't home in on enemies, they will bend inwards to hit enemies within each ring, resulting in a substantial damage area increase.
  • 15►Strange Attractor Strange Attractor: Magnetic effect pulls pickups and objects to the edge of the ring, increasing accuracy.
  • 15►Tech.5 Tech.5: Equips both laser systems.
  • 15►Technology Technology: Equips both laser systems.
    • Added in Repentance: Overridden by Tech X.
  • 15►Technology 2 Technology 2: Equips both laser systems.
  • Wiggle Worm Wiggle Worm: Replaces the outer laser ring with a star-shaped oval, slightly increasing its area of effect.


Interactions[edit | edit source]

  • Added in Afterbirth †15►Euthanasia Euthanasia: No high-damage/instant death rings.
  • 15►Evil Eye Evil Eye: Overridden by Tech X.
  • 15►Explosivo Explosivo: Overridden by Tech X.
    • Added in RepentanceRegular explosive tears may stick to enemies in contact with the laser.
  • Added in Repentance15►Eye of the Occult Eye of the Occult: Overridden by Tech X.
  • 15►Fire Mind Fire Mind: Laser rings set enemies on fire and do not explode.
  • Added in Afterbirth †15►Flat Stone Flat Stone: Overridden by Tech X.
  • 15►Fruit Cake Fruit Cake: Only status effects granted by Fruit Cake work on the laser rings.
  • 15►Godhead Godhead: Damaging halo effect lost, behavior of rings identical to 15►Spoon Bender Spoon Bender synergy.
  • 15►Head of the Keeper Head of the Keeper: Overridden by Tech X.
    • Added in Repentance The tears turn into the Tech X tears, but they still retain the chance to drop money on hit. This chance procs with every tick of damage, rather than with the rings themselves.
  • 15►Holy Light Holy Light: Overridden by Tech X.
    • Added in Repentance The lasers can create beams of light.
  • 15►Incubus Incubus: Removed in RepentanceThe rings fired by the Incubus have a fixed size; charging the ring will only increase the size of the player's own rings.
  • 15►Ipecac Ipecac: Overridden by Tech X. Lose the damage bonus given by Ipecac on next room. Still poisons enemies like Ipecac does.
    • Added in Afterbirth † +4 damage and poisons enemies.
    • Added in Repentance Ipecac is overridden, but the Tech X ring causes an explosion on every rock or enemy it passes through.
  • Added in Afterbirth †15►Lachryphagy Lachryphagy: Overridden by Tech X.
  • Added in Afterbirth †15►Lead Pencil Lead Pencil: Overridden by Tech X.
    • Added in Repentance Every 15th laser ring fired also shoots a cluster of tears.
  • Added in Afterbirth †15►Little Horn Little Horn: Overridden by Tech X.
    • Added in Repentance Occasionally fires a Little Horn laser ring.
  • Added in Afterbirth † 15►Loki's Horns Loki's Horns: Overridden by Tech X.
    • Added in Repentance Adds a chance to fire 4 laser rings at once with 2 in front and 2 behind Isaac, each pair firing on top of each other.
  • 15►The Ludovico Technique The Ludovico Technique: Overridden by Tech X.
  • 15►A Lump of Coal A Lump of Coal: Damage and size of the ring increases the further away it is from the player, but is actually roughly 2/3rds of tear damage up close. It takes a few tiles of distance to reach normal damage and go above it, with the maximum being 1.5x at roughly a room's width away.
  • 15►Marked Marked: Only stat changes apply, no targeting effect.
    • Added in Repentance The rings are now fired automatically with ring size depending on Isaac's distance from the cursor; the further he is, the larger the rings are.
  • 15►Mom's Eye Mom's Eye: Overridden by Tech X.
    • Added in Repentance Isaac will now sometimes fire an additional ring from his back.
  • 15►My Reflection My Reflection: Only stat changes apply.
  • Added in Repentance15►Neptunus Neptunus: Overridden by Tech X.
  • Added in Afterbirth †15►Parasitoid Parasitoid: Overridden by Tech X.
  • 15►Proptosis Proptosis: The ring's damage and size substantially increase, but decreases the further it travels.
  • Added in Afterbirth †15►Pop! Pop!: Overridden by Tech X.
  • 15►Pupula Duplex Pupula Duplex: Overridden by Tech X.
  • 15►Rubber Cement Rubber Cement: Overridden by Tech X.
    • Added in Repentance The rings now bounce off walls and have infinite range.
  • Added in Afterbirth †15►Sulfuric Acid Sulfuric Acid: Only damage up applies.
  • 15►Tammy's Head Tammy's Head: Tammy's head fires regular tears.
  • Added in Afterbirth †15►Technology Zero Technology Zero: Overridden by Tech X.
  • Added in Repentance15►Terra Terra: Tech X laser can destroy Obstacles. Also greatly increases laser knockback.
  • 15►Tiny Planet Tiny Planet: Overridden by Tech X.
  • Removed in Repentance 15►Tough Love Tough Love: No high damage rings.
    • Added in Repentance 3.2x damage will apply randomly at each damage tick depending on Isaac's luck stat.
  • 15►Tractor Beam Tractor Beam: Tech X overrides the beam. Any previous effects rendered moot by Tractor Beam (e.g. 15►The Wiz The Wiz) will return.
  • Added in Afterbirth †15►Trisagion Trisagion: Overridden by Tech X.


In-game Footage[edit | edit source]

Bugs[edit | edit source]

Bug Bug! Removed in Afterbirth †The black ring generated from the synergy of Dr. Fetus and Tech X behaves as a Maw of the Void ring and may cause black hearts to drop.

Seeds[edit | edit source]

PC 89JM N4ST (Treasure Room adjacent to spawn)

PC HQSM WLSE (Treasure Room above spawn)

PC Q2PY 8Q7N (Treasure Room adjacent to spawn)

PC NDWL 802D (First floor Treasure Room; Brimstone during Mom fight and Mutant Spider on second floor)

PC 484V V23S (Treasure Room next to spawn; three Guppy items can be found in Devil deals before the Mom fight)

PC 9T79 9VOF (Treasure Room adjacent to spawn)

PC Normal mode only 7Y4F LLBG (First floor Treasure Room)

PC DEBT K816 (Treasure Room adjacent to spawn, 3 Guppy items in Devil Rooms before Caves 2)

PC 4TXG EHPM (First floor Treasure Room)

Switch DKAK WGCN (First floor Treasure Room; Sacred Heart in 4th floor Angel Room)

Switch T1R6D8F2 (Second floor Treasure Room)

Switch 1XNSLQ4G (First floor Treasure Room)

XboxOne 2E8T QRM0 (6th floor Treasure Room; The D6 roll Papa Fly)

PC Added in Repentance Hard mode only 839P 2M9E (First floor Treasure Room reroll Halo of Flies)


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