Battle Fantasy
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Spirit Burner item
Spirit Burner is an unlockable active item in Battle Fantasy, a mod for The Binding of Isaac.
Description
While held Enemies have a 7.5% chance to drop a random soul stone when killed.
Upon entering a new room, any soul stones on the ground and in Isaac's consumable slots will disappear. This effect persists even if the item is dropped, until entering the next floor without the item.
Each soul stone is assigned a "quality" value ranging from 1-5.
On use Destroys the soul stone that is in Isaac's primary consumable slot, visually placing it inside the item.
When used while the item contains three soul stones, spawns pickups based on the total quality of the soul stones inside.
An additional bonus or penalty is applied based on the environment the item was used in:
• -1 Quality: If the item is used in a room flooded with water, or in a Secret Room or Super Secret Room.
• +1 Quality: If the item is used in a Curse Room, in Mausoleum or Gehenna, in a room with Dad's Note on a pedestal, or if the player has a rune in their consumable slot that isn't a soul stone.
Possible Rewards:
• Quality 2: 1 random rune.
• Quality 3-5: 1 
Soul Heart or 1 
Lucky Penny.
• Quality 6-8: 1.5 Soul Hearts, 1 Lucky Penny, 2 random runes, or a Quality 0-3 item.
• Quality 9: 1-2 Lucky Pennies or a Quality 0-4 item.
• Quality 10-12: 2 Soul Hearts, 1-3 Lucky Pennies, 3 random runes, 1 Quality 1-2 soul stone, or a Quality 1-4 item.
• Quality 13-15: 2.5 Soul Hearts, 2-4 Lucky Pennies, 3 random runes, 2 Quality 1-2 soul stones, or a Quality 2-4 item.
• Quality 16: A Quality 3-4 item.
The runes spawned by the item do not include Blank Rune, Black Rune, or soul stones.
Items spawned by this item will be pulled from random pools.
How to unlock?
Unlock 9 soul stones.
Item pools
Spirit Burner can be found in the following item pools:
| Name | Weight |
|---|---|
| Curse Room |
1.0/1.0
|
| Secret Room |
1.0/1.0
|
| Greed Curse Room |
1.0/1.0
|
| Greed Secret Room |
1.0/1.0
|
| Old Chest |
1.0/1.0
|
| Smoky Chest |
0.2/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
| nocantrip | Not available as card effects during the Cantripped! challenge. |
| lazarussharedglobal | Passive effects (except direct stat changes) are shared between  Tainted Lazarus' forms. |
Special synergies
The following special synergies and interactions for Spirit Burner have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Abyss | Spawns a gray locust that has a 7.5% chance to spawn a random soul stone when it kills an enemy. |
| --- | The Book of Belial combined with Judas' Birthright | Each Soul of Judas placed in the item will add +2 quality. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Battle Fantasy from the Steam Workshop.
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