The Binding of Isaac: Rebirth achievements
2,723
(1,155)

The Binding of Isaac: Rebirth

4.7 from 465 votes

There are a maximum of 65 The Binding of Isaac: Rebirth achievements (58 without DLC) worth 2,723 (1,155)

7,385 tracked gamers have this game, 172 have completed it (2.33%)

Achievement Details

The Book of Sin in The Binding of Isaac: Rebirth

The Book of Sin18 (15)

Kill all 7 sins.

  • Unlocked by 5,172 tracked gamers (70% - TA Ratio = 1.19) 7,385  

Achievement Guide for The Book of Sin

AuthorSolution
Spay001
256,285 (142,686)
Spay001
Achievement won on 26 Jul 15
TA Score for this game: 953
Posted on 26 July 15 at 02:51, Edited on 26 July 15 at 02:55
This solution has 5 positive votes and 0 negative votes. Please log in to vote.
The 7 sins are encounters against mini-bosses in special rooms. You can recognize you're facing a Sin when you enter a room and it says "Isaac VS"... a sin.
Yup that may sound obvious but as a non-native english speaker I didn't realize I was "fighting the biblical sins" until I unlocked this achievement :D

Not to be confused with the bosses at the end of every level.

For this achievement to unlock you have to kill:
-Greed
-Envy
-Pride
-Gluttony
-Sloth
-Wrath
-Lust

There is no trick to find specifically the ones you need but you'll most probably come across each of them by playing normally.

PS: Killing the 7 sins will unlock The Book of Sin as lootable item in your future runs. When activated it randomly drops one of these pickups:
-Full Hearts
-Bombs or bomb variant
-Pills
-Coins
-Tarot Cards
-Soul Hearts
-Keys or Golden Keys

Source
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