The Binding of Isaac: Rebirth

The Binding of Isaac: Rebirth

Duztins Mar 31, 2018 @ 2:00pm
How to defeat Isaac with blue baby, (Tips) Please HELP
I've been trying to get the D6 and I've already unlocked Blue baby/??? But I just can't seem to beat isaac. Even if I spam R to find a good item at the start am not sure what to get (specifically)
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Showing 1-15 of 15 comments
Fracastador Mar 31, 2018 @ 2:13pm 
If you get a powerful source of soul/sin hearts, like dark bumb, the relic, the nail, or the satanic bible, using blue baby is just like using isaac without the d6.
Are you familiar with tinted rocks? (Slightly different colored rocks with "x" marks on them?) They give soul hearts when you blow them up.
Memo Mar 31, 2018 @ 2:22pm 
You just gotta keep playing as him and at some point you'll beat Isaac. As you may know already, he's one of the "harder characters", because no red hearts. Some tips:

- Take orbitals to protect you from enemy shots (Meat cube, Ball of bandages, Sac Dagger, pretty flies etc).
- Try to take Angel deals instead of devil deals. Even tho, some devil deals are great for him: Athame (chance to generate black hearts) , Maw of the Void (same as Athame), Dark bum (takes red hearts and gives you spirit hearts), Abaddon, Ceremonial robes etc. Remember that some of these items have to be unlocked first.
- Find Book of Revelations / Satanic Bible / The Relic / Mitre / Serpent's Kiss -- tier A items for Deadboi. Again, you need to unlock most of these.
- Always look out for tinted rocks. You need them as much as you need air IRL when you play with deadboi.
- Get lucky enough for Mom's Knife / Dr fetus / Polyphemus and other OP items in the first item room for ALMOST guaranteed win.
- idk ?!
Nazemec Mar 31, 2018 @ 2:25pm 
(Some things will be repeated from earlier posts, but heh, whatever.)


I just checked your achievements. You still haven't unlocked It Lives according to them, which means you have no reliable way to go to the Cathedral. For now, deal with that. Kill the Heart once more.



Then.

Focus on getting soul/sin heart generation. Book of Revelations, Satanic Bible, Dark Bum are amongst the most reliable ones. Some passives also give you soul/sin hearts when you pick them up, like Squeezy or the Match Book.

Devil Deals are tricky for ???. Some Devil items are incredibly good, but you must reduce your health by 3 hearts... Take only those which give you some soul health, like the Pact (gives you 2 soul hearts on pickup, so it costs 1 in the end). Otherwise, Angel rooms are your friends. Not as good, but heh, if you don't have extra health to spare, it's better than dying.

If it's still too hard, kill Isaac with other characters first in order to unlock the Polaroid. It's a wonderful defensive item for ???.

Good dodging skills are also required obviously, even if you have health generation. Relying only on items to carry you through the game isn't a good strategy in my opinion. It won't make you a better player.



Have fun dying, crying, then dying again. :P
Duztins Mar 31, 2018 @ 3:56pm 
But I defeated Isaac with Azazel though?
Fracastador Mar 31, 2018 @ 4:00pm 
Originally posted by dustinuchiha859:
But I defeated Isaac with Azazel though?
After you unlock it lives, you always get the chance to go your choice of cathedral or sheol, instead of just the possibility.
Last edited by Fracastador; Mar 31, 2018 @ 4:01pm
Dude, i was wondering the same thing. I just killed him right now. That was only luck, i was praying for Brimstone and Book of Revelations, and it showed up. Everything else wasn't so important, i was just one shoting every room. This game is so random, so only luck will help you, but i think those items are the best.
I spent almost 3 hours, to find that perfect run
Last edited by Dr. Albert Meowsker; Mar 31, 2018 @ 4:13pm
Duztins Mar 31, 2018 @ 4:21pm 
Oh thanks! But one more thing I already defeated Mom's heart 10 times (Checked on my stats) and it still said that I haven't unlocked It Lives?
Originally posted by dustinuchiha859:
Oh thanks! But one more thing I already defeated Mom's heart 10 times (Checked on my stats) and it still said that I haven't unlocked It Lives?
You'll have to defeat it one more time :D
You need to kill Mom's Heart 11 times for It Lives as wiki says
Nazemec Mar 31, 2018 @ 4:33pm 
Originally posted by dustinuchiha859:
Oh thanks! But one more thing I already defeated Mom's heart 10 times (Checked on my stats) and it still said that I haven't unlocked It Lives?
[cough]
Originally posted by Nazemec:
I just checked your achievements. You still haven't unlocked It Lives according to them, which means you have no reliable way to go to the Cathedral. For now, deal with that. Kill the Heart once more.
:P
Duztins Mar 31, 2018 @ 4:55pm 
Whoops, Sorry xD
Krazy Mar 31, 2018 @ 6:54pm 
Or you could just cheese it and get a good run and die with the Ankh and come back with Blue Baby. Sure, it wont get you some of the unlocks but it'll unlock the d6
Duztins Mar 31, 2018 @ 8:28pm 
What do you mean by that? Am not understanding correctly.
UwU Mar 31, 2018 @ 8:41pm 
Originally posted by dustinuchiha859:
What do you mean by that? Am not understanding correctly.
Play as easier character.
Find Ankh item.
Die before Isaac fight.
Respawn as Blue Baby and kill this ♥♥♥♥♥♥.
I'd recommend playing more and learning his patterns. After you know the timing and everything on his patterns, you can literally dodge every single one of his abilities, and it doesn't matter how weak or strong you are, you can kill him with any kind of build.
Fre Apr 1, 2018 @ 5:17am 
Isaac is a bastard to learn the patterns of. Once that's done, you're good.
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Date Posted: Mar 31, 2018 @ 2:00pm
Posts: 15