Converter

Item Icon
Pickup Quote	"Convert your soul"
Entity ID	5.100.296
Recharge Time	Unlimited 3 rooms
Item Pool	Shop
Quality	1
Item Tags
Collection Grid	(page 3, column 1, row 10) (page 3, column 11, row 3) (page 3, column 12, row 3)

Converter is an activated item.

Effects

• Converts two Soul Hearts or Black Hearts into one filled Red Heart Container.
• Converts one Soul Heart or Black Heart into one filled Red Heart Container.

Notes

• Using this item on Black Hearts will activate the Black Heart's damaging effect.
• Must use with two full Soul Hearts to work. One and a half will not work.

Synergies

• Book of Virtues: Spawns wisps in the middle ring, looking like hearts. Wisps have slightly higher health than average. Red Heart pickups can be used to restore their health.
• Book of Revelations / Satanic Bible: Allows for generation of Heart Containers. ( Schoolbag required)
  • 9 Volt + Habit: Allows for an easy setup to get max health as long as one has a self-damage source, such as a Blood Donation Machine or a Devil Beggar.
• Guppy's Paw:
  • Allows Isaac to have 10 Heart Containers and 1 Soul Heart.
  • Allows Isaac to attain up to 12 Red Heart Containers or any combination of Red Heart Containers and Soul Hearts.
    • + Potato Peeler + Sharp Plug: Allows Isaac to generate infinite damage upgrades and Cube of Meat.
• ??? + Birthright: Removes one Soul Heart and grants two, effectively becoming a 3-room charge Book of Revelations.
• Tainted Eden: Heart containers gained from Converter are kept, even after rerolling.
• Dark Judas / Tainted Judas: Converts one Black Heart into one Black Heart, keeping Judas’ health the same as before but activates The Necronomicon effect regardless.

Interactions

• Bethany: Bethany cannot activate the Converter whether she has soul charges or not.
• Car Battery:
  • No effect.
  • Consumes 2 Soul Hearts and produces 2 Red Heart Containers.
• The Soul: Consumes Soul Hearts and produces Bone Hearts for The Forgotten. Does nothing when used by The Forgotten.
• Tainted Bethany: When used while fully charged, adds 2 Blood Charges to her pool at no cost to her Heart total. When used with no charges, consumes 3 Blood Charges and produces 2, resulting in a net loss.
  • With Car Battery: Consumes 3 Blood Charges and produces 4, still at no cost to Heart total, resulting in infinite Blood Charges.

Gallery

• 
  3DS The icon of Converter as seen on the lower 3DS screen.

Trivia

• The Converter is a reference to a converter, a device or system that changes the form of something.
• According to Edmund via the Four Souls Isaac lore stream, the Converter's sprite was originally supposed to be similar to an adapter that converted US-standard power plugs for UK-standard power outlets, then he "just threw some wires on it."
• The Converter can be seen as an opposite to Guppy's Paw. Where the Converter takes two Soul or Black Hearts to form a Heart container (or just one Soul or Black Heart as of Repentance), Guppy's Paw takes one Heart container to form three Soul Hearts. Additionally, their flavor texts are similar.

References

The Binding of Isaac: Rebirth
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