This also works if the devil deal costs 2 hearts, but Isaac only has 1 before activating the Strength card. However, if Isaac has no other heart containers to spend, then it can be used this way. The temporary heart container granted by XI - Strength or cannot be used to purchase a devil deal.If Isaac takes a Deal for an item that grants an Eternal Heart through the use of Chaos, it will not keep him alive.Also, if he has an active item that grants Soul/Black Hearts, he can take a Deal and then use the active item, leaving him alive with whatever the item gave him. If taking a Deal leaves Isaac with no health remaining, he can still survive if he picks up a Soul Heart, Black Heart, or Bone Heart while holding the item in the air.Spending all of his Heart Containers will not kill Isaac as long as he has Soul Hearts, Black Hearts, or Bone Hearts remaining.Two-heart deals can be taken even if Isaac does not have enough Red Hearts to afford them, as long as he has one Red Heart to spend.If Isaac has less than 3 Soul Hearts, but at least one Bone Heart, he can take a three-Soul-Heart Deal and stay alive because of the bone hearts.If Isaac does not have enough Soul Hearts for this type, he will still be able to take the Deal.Additionally, if Isaac only has one Red Heart, deals that normally cost 2 Hearts will change to one Red Heart and two Soul Hearts.If Isaac is presented with 2+ items to buy, but only has enough Red Hearts to buy one, the price of the other(s) will change to 3 Soul Hearts upon spending your Red Hearts.If Isaac does not have Red Heart Containers upon entering a Devil Room, all items will cost 3 Soul Hearts.See the following item pool for a comprehensive list of items offered and their health price: Devil Room (Item Pool) Notes Paying cents for Devil Deals will still remove the Angel room appearance chance in the same way when other characters pay with heart containers. One-heart and two-heart deals cost 15 and 30 cents, respectively. Instead of coin heart containers, Devil Deal items must be bought using coins.When playing as Keeper, the character's coin heart containers are used to trade for Devil Deal items, with items costing the same number of coin heart containers as red heart containers with a different character. All items normally cost either 1 or 2 Red Heart Containers, and their prices roughly correspond to their power. Unlike Shops, where Isaac pays with money, to make Deals with the Devil Isaac has to trade Red Heart Containers as payment. If a Devil Room appears upon defeating Mom's Heart or It Lives, it will only contain a trapdoor to Sheol.Ī Devil Room has a high chance of spawning items that will be put up for sale. If Isaac is holding Number Magnet: 2 Begottens, 3 Nulls, 2 Imps, 1 Evil Twin, 1 Black Maw, 3 Black Globin's Heads, 3 Wizoobs, 4 Soul Suckers, or 1 Bloodshot Eye may spawn.Some regular enemies can appear as well, including:ġ Mom's Hand, 2 Nulls, 1 Imp, or 1 Mom's Dead Hand. Spikes may spawn instead of or in addition to any items/pickups. 2 Deals with the Devil and 1 Black SackĪdditionally, 2 Red Fire Places may spawn, as well as Urns.2 Deals with the Devil and 1 Devil Beggar.3 Conditions to Make Devil Rooms Appear.

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