Binding of Isaac: Rebirth Wiki
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(except in Rebirth)

Onan's Streak is Challenge #29. Start as Judas with Collectible The Book of Belial iconThe Book of Belial and Collectible Chocolate Milk iconChocolate Milk and a damage bonus of +2 giving him a starting damage of 8.71. Missing any shots causes Judas to take damage. Treasure rooms are present in this challenge. The goal is to defeat Isaac.

Difficulty

Not hitting anything with tears makes Judas take damage. This makes accuracy very important because missing a few shots can deplete his health very quickly. Because of that, fast-moving enemies or enemies with erratic movement patterns can prove to be very difficult in this challenge.

Strategy

  • Hitting any type of poop, fire, bomb, eternal fly, white champion enemy, spike block, or Stone Grimace (stone heads) does not count as a miss.
    • Hitting Red Poop with a spectral tear counts as a miss.
  • If firing a tear and leave the room before it touches the wall or floor, Judas will not take any damage. This is only useful if he shoots accidentally.
  • For enemies that move erratically, try and get close enough so they'll close in. Once they approach, move out of the way and shoot them once they stop.

Good Items

  • Collectible Isaac's Heart iconIsaac's Heart completely nullifies any damage caused by missing, lowering the difficulty tremendously and turning this challenge into a standard Judas run.
  • Collectible Holy Mantle iconHoly Mantle nullifies 1 hit of damage per room, allowing more room for errors.
  • Taking Collectible Technology 2 iconTechnology 2 and never releasing the fire keys, even across floors, allows Judas to engage enemies without firing any tears.
  • Taking Collectible Rubber Cement iconRubber Cement is recommended, as hitting a wall won't deal damage to him, and hitting the ground won't either if an enemy is hit first.
    • Enemies include stone grimaces, unkillable enemies, fireplaces, poop, and bombs.

XboxOne Poop is not considered an enemy if it is the first object hit.

  • Collectible Proptosis iconProptosis allows Judas' shots to miss without dealing damage as long as they don't hit a wall or object.
  • Collectible Isaac's Tears iconIsaac's Tears do not count as a hit/miss, and it maintains Chocolate Milk's charged damage bonus when activated, making it a safe combat alternative.
  • Shots fired by the familiar with Collectible Incubus iconIncubus will not damage the player. When coupled with a recharging or zero cooldown item such as Collectible Magic Fingers iconMagic Fingers, it will effectively give Judas a safe auto-attack. The Incubus's safe-to-miss shot will fire when the item is used, without having to fire Judas' shot.
  • Collectible Dead Eye iconDead Eye benefits from this challenge, since the player will be focused on not missing. This can allow for long streaks at high damage.
  • Collectible Tractor Beam iconTractor Beam keeps tears in a straight line in front, which is very helpful for hitting many later enemies.
  • Collectible Ipecac iconIpecac could be a nice item to have, just be careful when firing it.
  • Spectral tears effect might help, since going through a rock doesn't count as missing.
  • Collectible Pupula Duplex iconPupula Duplex is helpful, since it gives Judas's tears a bigger hitbox, in addition to spectral tears. Flat WormFlat Worm also gives a bigger hitbox.
  • Similarly, Collectible Polyphemus iconPolyphemus gives tears a bigger hitbox and allows him to hit many enemies with each tear. Any Polyphemus tear that continues after hitting an enemy won't damage Judas if it lands untouched afterward.
    • Collectible Continuum iconContinuum will help, giving spectral tears and going through the walls to get back on the other side.
  • Piercing shots could be useful since the shots won't damage if at least one enemy is hit, and multiple can be hit with one shot.
    • Collectible Death's Touch iconDeath's Touch is especially useful because it increases the size of tears significantly, making it harder to miss, in addition to piercing and higher damage.
    • (in Afterbirth † and Repentance)Collectible Eye of Belial iconEye of Belial does not damage Judas as long as he hits at least one enemy making the item very useful.
    • Unless Judas already has piercing tears, Collectible Lost Contact iconLost Contact should generally be avoided. While blocking a shot does count as a hit, without piercing, it will also destroy the tear before it can do any damage, making bullet-heavy fights such as Mom's Heart/It Lives and Isaac extraordinarily difficult.
  • Collectible Brimstone iconBrimstone, Collectible Epic Fetus iconEpic Fetus and Collectible Mom's Knife iconMom's Knife won't make Judas take damage for missing enemies.
  • Collectible Mom's Wig iconMom's Wig will keep spawning friendly spiders until there's 5 of them when charging the shot.
    • The same goes for the Guppy transformation or Collectible The Mulligan iconThe Mulligan.
      • Be careful, however, because if friendly spiders/flies kill the enemy before fired tear hits it, Judas takes damage.
    • The same goes for Error: The given collectible ("No. 2") does not exist. and Collectible Bob's Brain iconBob's Brain, as spawning bombs under Judas while charging and the explosions from the brain, respectively, can easily end the run.
  • Tears that have passed through an (in Afterbirth † and Repentance)Collectible Angelic Prism iconAngelic Prism familiar do not deal damage to Judas even if all the split ones miss.
  • Neither Collectible Gnawed Leaf iconGnawed Leaf nor the shields from Collectible Book of Shadows iconBook of Shadows, Collectible Celtic Cross iconCeltic Cross, Collectible The Polaroid iconThe Polaroid, Collectible Virgo iconVirgo or similar items protect Judas from missed tears.
  • Watch out when using unidentified pills, as R U a Wizard? can be disastrous to the run if not extremely careful and/or lucky. Check the shops for a Collectible PHD iconPHD, just in case.
  • Collectible The Wafer iconThe Wafer makes the challenge much easier in Error: The given stage ("The Womb") does not exist. and beyond, as it halves the damage dealt from missing tears.
  • Any item that helps refill red heart containers such as the Collectible Yum Heart iconYum Heart, Collectible Maggy's Bow iconMaggy's Bow, and Collectible The Jar iconThe Jar will be helpful in case misses are frequent.
  • Items that grant homing tears, such as Collectible Spoon Bender iconSpoon Bender and Collectible Sacred Heart iconSacred Heart, can make accuracy a lot easier. Although Collectible Godhead iconGodhead is a bad item for this challenge (see below).

Bad Items

  • Taking Collectible Tammy's Head iconTammy's Head or Collectible Sad Bombs iconSad Bombs is not recommended, as they release tears which count towards hit/miss. Since they release multiple tears at a time, they will almost unavoidably cause tears to hit the ground.
    • Isaac's Tears, however, don't.
    • The Collectible Tear Detonator iconTear Detonator doesn't count either.
  • Taking any item that multiplies the number of tears (e.g. Collectible 20 20 icon20/20, Collectible The Inner Eye iconThe Inner Eye, Collectible Mutant Spider iconMutant Spider, Collectible Monstro's Lung iconMonstro's Lung, or (in Afterbirth † and Repentance)Collectible Haemolacria iconHaemolacria) is not recommended, as Judas has to hit with every tear to not take damage.
    • Similarly, taking (in Afterbirth † and Repentance)Collectible Compound Fracture iconCompound Fracture, Collectible Cricket's Body iconCricket's Body, Collectible The Parasite iconThe Parasite is not recommended, as the split tears also have to hit enemies for the player to not take damage.
    • (in Afterbirth † and Repentance) Be careful when picking up any active Book items, as picking up 3 will transform Judas into a Bookworm, periodically giving him 2 shots.
  • Collectible Godhead iconGodhead can be dangerous, as even if the aura kills an enemy, if the shot doesn't hit an enemy or poop, it will count as a miss.
  • When using Collectible Maw Of The Void iconMaw Of The Void, keep some distance against non-boss enemies. If the ring kills an enemy before the tear hits it, it can cause Judas to miss the shot.
  • Collectible Circle of Protection iconCircle of Protection: Judas can take damage from tears reflected by the ring.
  • Collectible Explosivo iconExplosivo should be avoided. The Explosivo shot doesn't count as hitting the enemy until it blows up. If Judas kills an enemy with the Explosivo shot on them, the tear will fall to the ground and will damage him. Enemies that jump or teleport will also cause Explosivo shots to fall off. If the enemy with an Explosivo shot walks near a wall, the tear will disappear and will cause damage.
  • Collectible Soy Milk iconSoy Milk is not recommended, as it prevents charging shots (instead, firing automatically like regular tears). Judas does get a +1 damage increase after the damage reduction but the fast fire rate will make it nearly impossible to stop tears hitting anything other than an enemy.
  • Taking Collectible The Wiz iconThe Wiz is not recommended, as firing two tears simultaneously will likely cause one tear to miss.
  • Taking Collectible My Reflection iconMy Reflection is not recommended, as firing a tear from a long distance causes the tear to go the opposite direction and miss unless there is an enemy behind Judas.
  • Hitting a target while having Collectible Cursed Eye iconCursed Eye still damages and teleports out of the room.
    • Charging shots before entering a room can kill, since it will fire a big tear followed by 3 little tears, causing damage.
  • Collectible 3 Dollar Bill icon3 Dollar Bill, Collectible Fruit Cake iconFruit Cake, and Rainbow WormRainbow Worm are not recommended because the changing effects will make it more likely for tears to miss.
  • Using (in Afterbirth † and Repentance)Collectible Clicker iconClicker may take away Collectible Chocolate Milk iconChocolate Milk, making the run significantly more difficult.
  • The instant kill effect of (in Afterbirth † and Repentance)Collectible Little Horn iconLittle Horn doesn't count as a hit, and will hurt Judas.
  • (in Afterbirth † and Repentance)Collectible Trisagion iconTrisagion will cause Judas to take damage on every shot.
  • (in Afterbirth † and Repentance)Collectible Flat Stone iconFlat Stone will cause Judas to take damage on every tear's skip unless the tear hits an enemy before the next bounce.
  • Collectible Libra iconLibra will balance stats, making Judas' damage way less effective.

Reward

Trivia

  • The challenge's name, "Onan's Streak," and the challenge conditions are a reference to the biblical character Onan. According to Old Testament law, a man with a married, deceased brother would have the responsibility of producing an heir for his sibling. Onan knew that having this heir would prevent him from legally owning his brother's land, and so spilled his semen onto the ground. God viewed this deed as wicked and killed Onan.

Bugs

Bug Bug! If Judas misses a tear and picks up the trophy while getting hit, he will be frozen in position. Going to the main menu and continuing the run solves this.


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