The Binding of Isaac: Rebirth

The Binding of Isaac: Rebirth

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Azazel

Azazel

Unlocked a new character.

65.9%

How to unlock the Azazel achievement in The Binding of Isaac: Rebirth - Definitive Guide

To unlock this achievement and character, you will have to do 3 "Deals with the Devil". A Deal with the Devil is when you trade your heart container(s) for an item in a Devil Room.

A Devil Room will appear sometimes after finishing the floor's Boss Room. To increase the chance of a Devil Room spawn, You should try not to take any RED heart damage through the floor. This slightly increases the odds that it will spawn. NOTE: Taking red heart damage on the boss SIGNIFICANTLY reduces the chance of it spawning. Another way to increase the chance of it spawning, is to blow up any Beggar that you see. There are certain items that guarantee a spawn such as the Goat Head. The Book Of Belial, and a few others that increase the chance.

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Devil Room entrance

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2 Deals with the Devil spawned.

It is also worth noting that not all Devil Rooms will have them. This just takes some patience and luck. It requires that you do 3 deals to unlock this, but that does not mean that they have to be 3 different Devil Rooms. If one room has all 3, and you have enough health to take them, you may take them all and unlock the achievement. You do have to do it in one playthrough though.
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17 Aug 2015 09:53

1 Comment
Strange. I definitely did 3 in my run but did not get the achievement.

I did two deals in one room and one deal in another.

Notably, I was playing in coop. I'm not sure that would make any difference.
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By Lanceride on 28 Oct 2021 15:12
To unlock Azazel You must make 3 deals with the devil in one run. Your best chance in making a deal with the devil is to not take any red heart damage on the floor your on but it does not always happen. *To ensure a deal with the devil you must get an Item called Goat's head, you will get a deal with the devil after every boss fight.*

Once you kill a boss and did the prerequisites a black door Should open in the boss room; Go inside of it. It's random what items will be in there sometimes it chests, or black hearts. But what you need is Items with hearts under them, picking up one of them; you trade your heath for Items, You just have to do that 3 times. and then you unlock the character Azazel, and his achievement.
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24 Jul 2015 07:58

Azazel is unlocked by making three Deals with the Devil in a single run.

To get a Deal with the Devil you need to try and fill certain criteria to make the room appear after defeating the boss on any given floor. Here is a list of criteria and the probability increase they give for finding a room.

Take no Red Heart damage for the floor - +99% (You can take Spirit Heart damage)
Take no Red Heart damage against the boss - +35%
Holding the Pentagram - +20% (+10% with Afterbirth)
Holding a second Pentagram - +10% (+5% with Afterbirth)
Holding Black Candle - +30% (+15% with Afterbirth)
Holding Book of Revelations - +35% (+17.5% with Afterbirth)
Killing a Judgement Beggar with a bomb - +35%
Blowing up Shopkeeper - +10%
Holding Book of Belial - +2500% (+12.5% with Afterbirth)
Holding Goat Head - Guarantees Devil Room on every possible floor

Finally if you have visited a Devil Room in the past the following multipliers will be applied to your current % chance of finding another.

Devil Room found within last two floors - x0.5
Devil Room found more than two floors ago - x0.25

This means that if you have found one within the last two floors your chances of finding another for the two floors following are cut in half, any floors beyond that it goes down by 25%

To complete a deal you must either exchange Red Heart containers for items or if you have no Red Hearts you can exchange Soul/Devil Hearts instead. Items will cost between 1 and 3 Red Heart containers, if you have no Red Hearts all items will cost 3 Soul/Devil Hearts.

Upon completing your third deal Azazel will unlock.
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08 Dec 2015 00:00

Devil deals are only obtained through a Devil room after defeating the floor boss. Alternatively using The Joker tarrot card will instantly teleport you to a Devil room. Opening red chests also have a chance for this effect. You make a devil deal by choosing items inside the room and sacrificing your life total to own the items, as soon as you make the third deal the achievement will unlock. Certain conditions can be met on each floor to increase the chance of a Devil room spawn.

  • Taking no red heart damage on the entire floor. Soul or Black Heart damage or the use of self damaging items don't count, so feel free to use them.
  • Killing Beggars on that floor.
  • Holding the Book Of Revelations while killing the Boss on the floor.
  • Having Pentagram or Black Candle.


You can also guarantee a devil deal on every floor by having the following items: The Book Of Belial, or Goat Head.

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This is a fairly easy trophy. To make a deal with the devil you will have to find a devil room. What's good about a devil room is that you can normally find it after a boss on every other floor occasionally and if you are really lucky there is more than one deal available; however, it comes at a cost. Each deal costs hearts and it shows how many is needed. Keep this in mind so you don't accidentally kill yourself by using all your hearts before the third deal.
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30 Jan 2015 05:40

After boss fights, another passage will sometimes appear. Devil's Shop

In it you have to pay with hearts, 3 purchases and the trophy is yours
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06 Nov 2014 18:08

In order for the devil's room to open, you need to increase the chances of it opening!! To do this, you need to try not to take damage from RED hearts (blue and black hearts do not count) on the floor and during the boss battle!!))


Also, the artifacts “Pentagram”, “Book of Belial” and “Book of Reveletions” increase the overall chances of opening the devil’s room)))


Most often, it opens after the boss of the second floor of each “zone” and much less often after the first floor, and most often there may be a Krampuss there)) But the Goat Head artifact (goat head) makes it so that the Devil’s room opens after each boss))
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02 Dec 2014 19:04