This is a mighty challenge to unlock a new character !
The next downloadable content forThe Binding of Isaac : Rebirthis now available , called Repentance , and with it comes a superfluity of alteration and updates , as well as some new characters ! Here ’s how to get Jacob and Esau !
How to Unlock Jacob in Binding of Isaac Repentance
To unlock the novel character Jaboc and Esau is actually a monolithic challenging labor as it come in in many different parts . You must come up and get two tongue while , to unlock the alternate womb that unlock this character .
Part One — First Knife Piece
The first knife patch is in the new area calledDownpour . This piece is on the 2nd trading floor of Downpour , everything has to be cleared , and you need to find aMirrorlocated in one of the rooms ; however , once you have locate the Mirror , that is not the last stride , as you also need to find someWhite Firelocated on the same floor .
After the White Fire has been found , you have to walk into it and damage yourself . You will then reverse into a ghostwriter - case form calledThe Lost , and you will leave your body behind . Now , as The Lost , you must go back to the Mirror and enter it . When inside the Mirror , you are in an inverse world of the world you just left .
train your single-valued function and head to theItem elbow room , but all foe are back , so be extra careful and clean-cut everything out until you get to the Item Room . Inside the room , you will receive your first knife piece of music . you may stay on as The Lost , but it ’ll be improbably thought-provoking , so it might be wise to go back through the Mirror and proceed .

Related : How to unlock Downpour in Binding of Isaac Repentance
Part Two — Second Knife Piece
The 2d tongue piece of music is on the 2nd floor of theMines . On this floor , look in all the rooms forthree icteric buttons , and shoot them to urge them . Upon hitting the last release , this unlocks aMine Cart , which is somewhere on the floor . Find it , then ride it into a novel area .
In this region , you regress into back basic Isaac , for some reason , and on this flooring is the second knife piece . It is n’t that easy , as the second you acquire that tongue small-arm , an evil cheek tag you that can / will kill you in one strike .
Your path back may be blocked , so you need to utilise turkey on the base to open these back up while avoiding this satanic entity . You need to scat to get the second tongue piece , so this plane section may take you a few try ! It ’s challenge .
Tip : If you have flight , it will make this country so much more bearable !
Part Three — Killing a Heart
This is a long way challenging route , to be capable to get the two knife pieces and then defeat Mom . Upon doing so , a secret red door appears above the red whole you need to scoot with the now complete knife to open up .
Entering this door top you to another boss fight back calledMom ’s Heart . Of of course , this is a satisfying challenge … no pun intended , and the center needs to die . Once this is done , you need to go down to theCorpse Floor .
Part Four — Killing a Broken Heart
Go down the mess after the Mom ’s Heart engagement , and enter the Corpse Floor . Complete this floor to get to the chief competitiveness , which is calledMother ’s Broken Heart . overcome this boss , and move into theGolden Chest , and credits will roll .
After the credits , you ’ll haveJacob and Esauunlocked !
If you are curious about everything that was added to Repentance , we have thepatch notesavailable !