Some consider this to be a bug, though that is debatable (see the bugs section here).Īnd of course, all of the above doesn't really apply to ?, who has no regular hearts to begin with, and cannot gain them. Making a deal with the devil: While making a deal with the devil is slightly different than the above as it will actually cost you heart containers instead of causing you damage, you will still get killed even if you have soul hearts left after the deal. Razor: This acts more or less like the blood donation machine, except the loss of regular hearts scales up more quickly (1/2 heart in basement/caves, 1 heart in Depths, 2 hearts in the Womb). Starting at the womb, using the blood donation machine will use up a whole heart, so if you only have one heart left, using the machine will kill you. Your Soul Hearts unless your base health is at one half heart. One left (side note: I got super lucky cause of gold heart + black hearts inf hp and. The machine will take hearts from your base health and will ignore all This server is for all fans of the binding of isaac, all versions and mods. I haven't felt suicidal enough in any of my playthroughs to actually try this out): You'll start by losing regular hearts, until you have half a heart left, and then you'll start losing soul hearts ( Source. I'll treat each of the cases you listed individually:īlood donation machine: On levels before the womb, blood donation machines do half a heart of damage. However, this is not always easy to do when you have soul hearts. Strictly speaking, whenever you lose all of your regular health you will die.
