Box of Friends
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Box of Friends is an unlockable activated item added in The Binding of Isaac: Afterbirth. It is the starting item for Lilith.
Effect
- Upon use, it adds one copy of each of Isaac's familiars for the duration of the current room.
- If Isaac has no familiars, a Demon Baby will spawn for the duration of the current room.
Notes
- If Isaac has more than one copy of the same familiar, it will still only add one copy.
- Blue Flies, Blue Spiders, and orbitals (Halo of Flies, Leprosy, etc) are not copied.
- It now copies some orbitals.
- Many familiars can be spawned in Greed mode and Boss Rush, as completing waves charges the item.
- Familiars with the
uniquefamiliar
item tag are ignored by Box of Friends. If Isaac has only unique familiars, a Demon Baby is spawned. - The item will cost 10 cents if found in a Shop
Synergies
- Ball of Bandages / Cube of Meat / Potato Peeler: Upgrades the cube/ball for the current room. This can be used to easily unlock the Super Meat Boy and Bandage Girl achievements.
- Cubes of Meat from Potato Peeler cannot be duplicated or upgraded.
- Blood Puppy: Tames an angry Blood Puppy and spawns another temporary one.
- Bob's Brain: When used upon entering a room, Box of Friends eliminates the item delay, which allows Isaac to launch Bob's Brain immediately.
- Book of Virtues: Spawns black wisps on the middle ring. After creating a wisp, Box of Friends also gives temporary copies of all of Isaac's wisps, including any extra copies Box of Friends made.
- Car Battery: Adds two copies of each familiar.
- Charged Baby: All around useful, can charge box of friends mid room to spawn more of itself creating a charging loop.
- Daddy Longlegs: Familiar will be copied.
- Incubus: Creates additional Incubus familiars, which share the same tear modifiers as the player.
- Lil Dumpy: Will copy Lil Dumpy, effectively adding an extra charge to Lil Dumpy's Holy Mantle-like protection.
- This process can be repeated to make Isaac near-invincible.
- Smart Fly: Very useful on Greed mode, as using it will add an attacking fly, killing enemies and bosses very quickly.
- Twisted Pair: Creates additional Twisted Pairs with the same tear modifiers as the player. Multiple twisted pairs will line up horizontally, covering a broader area.
Interactions
- ???'s Soul / Dead Bird / Eve's Bird Foot / Isaac's Head / Scissors: These familiars are not copied.
- 1up! / Dead Cat: Familiars are multiplied but do not give Isaac additional lives.
- Dead Cat: No longer copies the familiar either.
- Abyss: Flies gained from Abyss do not count as familiars for Box of Friends, and are not copied.
- Best Bud: If used before taking damage, the white fly will circle Isaac. However, multiple white flies cannot be spawned, so using Box of Friends after taking damage or using it multiple times in a room creates no effect.
- Buddy in a Box: Creates another randomly generated familiar, rather than copying the same one.
- Bumbo: Will spawn a level 1 Bumbo regardless of the original Bumbo's current level.
- Tinytoma: Сreates an orbital even if it is destroyed. If the copy splits into smaller versions, they will remain when moving between rooms.
- Guillotine: Duplicates the Head circling Isaac's body. Only one head will shoot tears.
- Considers the second head as an extra copy, granting Isaac a temporary stat boost for the room
- Hallowed Ground: All poop familiars turn into white poop at the same time, and their effects are accumulative. A new poop familiar appears even if the previous poops have been used up.
- Isaac's Heart / Super Bum: Not copied. They will not spawn a Demon Baby if no other valid familiars are found, unlike other familiars that aren't copied.
- Key Piece 1 / Key Piece 2: Key pieces are multiplied, but do not complete the other half.
- Key pieces are not copied.
- Knife Piece 1 / Knife Piece 2: Knife pieces and the knife are not copied.
- Lil Spewer: Creates a random spewer rather than copying the current one.
- Lost Soul: Cannot be duplicated.
- Milk!: The familiar itself doesn't appear, but instead, it decreases tear delay by 2 (effective tears up) when used, without needing to take damage.
- No extra tear delay is granted, neither before or after breaking.
- Monster Manual: Familiars spawned by Monster Manual are not copied. It will still spawn a Demon Baby if a familiar from Monster Manual is generated and there are no other valid familiars that can be duplicated.
- Multidimensional Baby: Each copy of Multidimensional Baby follows the previous copy with a 2-second ( 0.66-second) delay. Tears shot through multiple babies will only be duplicated once.
- Pickup generation familiars: The copied familiars will drop pickups independently.
- Quints: Existing Quints familiars will not be duplicated, nor more will be created. If Isaac has no other familiars, the generated Demon Baby will hover with the Quints instead of following Isaac.
- Shade: A new follower Shade spawns even if Isaac has already absorbed the original.
- XV - The Devil?XV - The Devil?: The Seraphim familiar is not copied.
In-game Footage
Trivia
- The Box of Friends seems to resemble the Lament Configuration of the Lemarchand's box from Clive Barker's Hellraiser.
- This item used to have a recharge time of 2, until an update on November 4, 2015.
- When playing in Korean, this item still has a recharge time of 2.
- In the game files this item's sprite is called "Pandora's Box" by mistake.
Familiar Modifiers |
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Items |
Trinkets |
Lilith Unlocks | |||
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Ultra Greed Unlocks | |||
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The Binding of Isaac: Rebirth |
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