(Isaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power) Tags: Visual edit Mobile edit Mobile web edit |
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| image name = * Rebirth, a+: * |
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| id = 114 |
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− | | quote = |
+ | | quote = Stab stab stab |
+ | | description = Isaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power. |
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− | | description = Makes Isaac such a sussy Baka he poops himself |
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| quality = 4 |
| quality = 4 |
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| tags = summonable mom offensive |
| tags = summonable mom offensive |
Revision as of 21:31, 26 November 2021
Mom's Knife is an unlockable passive item.
Effects
- Isaac's tears are replaced by a knife that pierces enemies and can travel through obstacles. Holding down the fire button increases its range and power.
- The knife deals damage 20 times per second upon contact with enemies while Isaac is holding it.
- The knife deals 2x Isaac's damage while held and 6x damage at the furthest possible point of its throw distance, regardless of the actual maximum range stat.
- Damage dealt by the knife depends on its charge state instead of its actual range. The knife deals 2x Isaac's damage when held and 6x damage at about 1/3 of full charge. The knife damage quickly drops to 2x Isaac's damage when returning regardless of charge state. Further charging only increases its maximum range.
- Template:Transf
Notes
- Mom's Knife is a special item.
- The knife can be held and fired diagonally. Firing the knife diagonally requires a frame perfect input. However, this can be done easily with a controller's analog stick or with Analog Stick.
- The knife can now be fired in any direction.
- The knife will not work in challenges with the blindfolded effect.
Synergies
- 20/20 / Conjoined / The Inner Eye / Mutant Spider: Isaac holds only one, but shoots multiple knives at their typical spread.
- Brimstone / Sulfur: Firing the knife also shoots a barrage of knives that goes across the screen, with each knife doing 80% of (2x) Isaac's damage; the extra knives do not return. The longer the charge, the more knives are added. This effect does not work with Azazel's default mini brimstone. The brimstone-knives do not benefit from A Lump of Coal.
- C Section: Fetuses hold small knives that spin around them slowly, causing extra damage.
- Eye Sore: Will occasionally release 1-3 extra knives when shooting Mom's knife.
- Fire Mind: Still applies burning but no longer explodes.
- Flat Stone: Knife bounces as it flies away from Isaac, each bounce splash causing Isaac's tear damage.
- Fruit Cake: The benefits of fruit cake still occur but are short lived due to the high damage of Mom's knife.
- The Forgotten: The knife will attach to The Forgotten's bone club, forming a scythe. Increases the size of both the melee swing and the bone throw, and allows a single melee swing to deal damage to an enemy twice instead of just once. +4 damage.
- Ghost Pepper: The flames can shoot from Isaac while holding the fire button.
- The flames only shoot when fire button is released.
- Guppy transformation: Knife hits will rarely/ frequently spawn a blue fly.
- Ipecac: Knife turns green and poison monsters that hit it. Removes Ipecac's damage increase.
- Also adds +4 damage.
- Adds +2 damage and the knife explodes on contact, once per throw. Will not explode while held without throwing.
- Lost Contact: The knife will block bullets, even when held (similar to Trinity Shield but has a smaller blocking area).
- The Ludovico Technique: Isaac controls a floating knife that does 2x Isaac's damage. Tears stat is ignored and damage is dealt at a rate equivalent of 5 tear delay.
- The Ludovico Technique + any multi-shot item: Isaac controls a floating knife surrounded by additional rotating knives.
- The Ludovico Technique + Lost Contact: Floating knife loses almost all ability to block bullets, with a tiny area around the hilt that can stop shots.
- The Ludovico Technique + Loki's Horns: Loses Loki's Horns effect; Isaac controls only one floating knife.
- The Ludovico Technique +Brimstone: Mom's Knife overrides Brimstone leaving only the floating knife.
- Mom's Knife: Each additional copy of the item will grant an extra knife that fires slightly diagonally from the original one, up to a maximum of 16. Picking up more than 16 knives won't fire more knives but will still modify the angle at which they're shot.
- Proptosis: The Knife deals double ( triple) damage regardless of range.
- Strange Attractor: Enemies are pulled towards the knife. The effect is minor while not firing and much stronger while the knife is launched.
- Tammy's Head: Fires 10 knives in a circle around Isaac, dealing massive damage.
- Tainted Lilith: Her familiar will carry the knife. When firing once, Gello will not return back to Lilith, instead hanging around stationary. She can drag him around the room and the knife will still deal damage. Pressing any fire button again will whip out Gello, just as normal.
- Unicorn Stump and other invincibility items: Even though the knife cannot be fired, the knife will deal damage while Isaac is invincible.
Interactions
Overridden by Mom's Knife:
- Azazel's default attack
- Cursed Eye
- Dr. Fetus
- Both the knife and the bombs fire normally.
- Euthanasia
- Sometimes deals higher damage, but instant kill ability is overridden.
- Explosivo
- Eye of Belial
- Haemolacria
- Both apply normally; the tears down negatively affects Mom's Knife's charge time.
- Holy Light
- Holy Light can trigger on both held and thrown knives.
- Kidney Stone
- Lachryphagy
- A Lump of Coal
- Pop!
- Pupula Duplex
- Jacob's Ladder
- The knife will sometimes generate sparks when hitting an enemy.
- Monstro's Lung
- Firing a knife causes several other knives to shoot out at random directions.
- Mysterious Liquid
- The Knife leaves creep trails while fired.
- Rubber Cement
- Tainted Azazel's default attack
- Technology
- Both the knife and the laser fire normally.
- There is a connecting laser between Isaac and the knife, similarly to the forgotten's club throw
- Tech X
- Both fire normally.
- The knife is fired with a Tech X ring around it, similarly to the forgotten's club throw.
- Tough Love
- Trisagion
Only stat effects are applied; otherwise overridden by Mom's Knife:
- Anti-Gravity
- Apple!
- The knife deals quadruple damage sometimes based on luck.
- Compound Fracture
- Now creates bone shards while in contact with an enemy.
- Cricket's Body
- Eye of the Occult
- Marked
- The knife fires in the direction of the crosshair, charging automatically, with charging time proportionate to the distance of the crosshair from Isaac.
- My Reflection
- The Parasite
- Now fires two knives in perpendicular directions from the first point of contact with an enemy. Additional knives can also fire more knives themselves.
Other interactions:
- Chocolate Milk: Doesn't increase damage, but reduces Isaac's tear delay by 20%.
- Epic Fetus: Overridden by Epic Fetus.
- Each explosion shoots 10 knives in a circle from the point of impact.
- Guillotine: The knife is fired from the body, not from the head.
- Little Horn: Works but very rarely.
- Saturnus: No effect for Orbiting tears.
- Tiny Planet: The knife goes in a spiral around Isaac; the longer the knife is charged, the bigger the spiral. Not recommended, as this makes Mom's Knife almost impossible to aim.
- Launched knife will orbit Isaac incredibly fast with a much larger hitbox, dealing consistent damage and covering every side of Isaac.
- Items that fire knives out in a straight line, like Brimstone or Monstro's Lung, will cause the knives to circle around Isaac once, then shoot out in the intended direction in a straight line.
- Tractor Beam: The knife will snap to whichever direction Isaac is firing in after it's thrown. However, it can no longer be fired diagonally.
In-game Footage
Trivia
- This item is used in I RULE! (Challenge #26).
- In the original The Binding of Isaac, buying the item from the Devil Room cost 1 Red Heart container instead of 2.
- In the original The Binding of Isaac, this item gave Isaac the appearance of his mother in her dress, like Yes Mother? transformation.
- The description of the item is a possible reference to one of the Sniper's dialogue when performing the Huntsman taunt in Team Fortress 2.
Gallery
A comparison between The Forgotten's bone attack with and without Mom's Knife.
Seeds
PC QQ4A Z0NY (Treasure Room adjacent to spawn)
PC WMB8 QEK8 (Treasure Room adjacent to spawn)
PC 6PG9 7RK3 (Treasure Room up and to the right one room from spawn)
PC DVNV YV9Y (Treasure Room adjacent to spawn)
PC JW43 H8EK (Treasure Room adjacent to spawn)
PC 1M9E Y1G1 (Treasure Room adjacent to spawn)
PC P8SE A9JW (Treasure Room adjacent to spawn)
PS4 S63T 434W (Treasure Room adjacent to spawn)
Switch JZCL 97JE (First Golden Treasure Room)
3DS Z3SL DS3W (First floor Treasure Room)
Bugs
Bug! | The Blindfolded condition also applies to the knives fired by Tammy's Head, and prevents it from working. |
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Bug! | Tiny Planet and Homing tears may cause a visual bug when there is a high range. This makes it look like the knife is going in circles, when its not rotating around the body. |
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Bug! | Using Mom's Knife and Marked with Haemolacria will cause the latterto only fire towards the center of room. Using the fire buttons will barely move the Marked crosshair, while Mom's Knife will be unusable and locked to the right. |
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Bug! | With Tiny Planet, if Isaac releases the knife and exit the room before it returns to him, the knife will receive a significantly larger hitbox that scales with Isaac's Range. Releasing it and waiting until it returns will make it normal again. |
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Mom Items |
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Items |
Trinkets |
Cards |
Isaac Unlocks | |||
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Satan Unlocks | |||
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The Binding of Isaac: Rebirth |
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