Immaculate Conception Achievement, Description, Unlock & Secret Number

Description	Unlocked a new item.
Unlock	Complete the Boss Rush as Lilith
In-Game Secret Number	222
Platforms	All
DLC Required	Added in Afterbirth
Achievement Description

Description: Unlocked a new item.
Unlock: Defeat Hush as Isaac
In-Game Secret Number: 179

Fart Baby

Description: Unlocked a new item.
Unlock: Defeat Hush as Eve
In-Game Secret Number: 184

Athame

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as Azazel
In-Game Secret Number: 212

Black Baby

Description: Unlocked a new co-player baby.
Unlock: Earn all hard mode completion marks as Keeper
In-Game Secret Number: 264

Sale Baby

Description: Unlocked a new starting item.
Unlock: Donate 879 coins to the Greed Machine
In-Game Secret Number: 250

Lostholds Holy Mantle

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as The Lost
In-Game Secret Number: 215

White Baby

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as Keeper
In-Game Secret Number: 217

Noose Baby

Description: Unlocked a new co-player baby.
Unlock: Earn all hard mode completion marks as Magdalene
In-Game Secret Number: 254

Colorful Baby

Description: Unlocked a new starting item.
Unlock: Donate 439 coins to the Greed Machine
In-Game Secret Number: 248

Eve now holds Razor Blade

Description: Unlocked a new item.
Unlock: Donate 666 coins to the Greed Machine
In-Game Secret Number: 249

Store Key

Description: Unlocked a new item.
Unlock: Defeat Ultra Greed as Isaac
In-Game Secret Number: 192

Lil' Chest

Description: Unlocked a new item.
Unlock: Defeat The Lamb as Keeper
In-Game Secret Number: 239

Karma

Description: Unlocked a new item.
Unlock: Defeat Hush as Judas
In-Game Secret Number: 182

Betrayal

Description: Unlocked a new item.
Unlock: Complete challenge #27
In-Game Secret Number: 230

Stud Finder

Description: Unlocked Challenge #28.
Unlock: Defeat Mom for the 1st time
In-Game Secret Number: 272

PRIDE DAY!

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as Magdalene
In-Game Secret Number: 206

Red Baby

Description: Unlocked Challenge #26.
Unlock: Defeat ??? or The Lamb for the 1st time, and defeat Satan as Isaac
In-Game Secret Number: 270

I RULE!

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as Lilith
In-Game Secret Number: 216

Big Baby

Description: Unlocked a new co-player baby.
Unlock: Earn all hard mode completion marks as ???
In-Game Secret Number: 252

Hive Baby

Description: Unlocked a new character.
Unlock: Defeat Ultra Greed as Azazel
In-Game Secret Number: 199

Lilith

Description: Unlocked a new co-player baby.
Unlock: Defeat Mega Satan as Judas
In-Game Secret Number: 208

Brown Baby

Description: Unlocked a secret.
Unlock: Donate 234 coins to the Greed Machine
In-Game Secret Number: 247

Special Shopkeepers

Description: Unlocked a new co-player baby.
Unlock: Defeat Mom's Heart on hard mode as Lilith
In-Game Secret Number: 223

Goat Head Baby

Description: Unlocked a new item.
Unlock: Complete challenge #29 (Removed in Afterbirth+ The unlock is bugged and actually unlocks Blank Rune)
In-Game Secret Number: 232

Kidney Stone