Attributes
Attributes, also known as stats, are the numerical values of a character that affect their performance and the behavior of their tears, Isaac's primary weapon. All characters start with a different set of values that can be increased or decreased during a run. The seven main stats are:
Health: The amount of damage Isaac can take before dying.
Speed: How quickly Isaac moves.
Tears: Isaac's rate of fire. The lower the number, the faster tears are fired.
As of Repentance, Isaac's tear rate is shown in tears fired per second; the higher the number, the faster tears are fired.
Damage: The amount of damage that each of Isaac's tears deal to enemies.
Range: How far Isaac's tears travel before landing.
Shot speed: The speed at which Isaac's tears travel.
Luck: Affects a variety of chance-based effects.
Additionally, there are a few Hidden Attributes.
Stat Screen
Most attributes can be viewed on the pause menu, except for health (which is shown in the game HUD). The pause menu's attributes are shown on an imprecise scale from 1 to 7 ( 0 to 7), and the values are as follows:
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Speed | 0.10 - 0.99 | 1.00 - 1.49 | 1.50 - 1.99 | 2.00 | N/A | N/A | N/A |
| Tear Delay | ≥8 | 7 - 6 | 5 - 4 | N/A | 3 | N/A | 2 - 1 |
| Damage | 0.00 - 2.99 | 3.00 - 4.49 | 4.50 - 5.99 | 6.00 - 7.49 | 7.50 - 8.99 | 9.00 - 10.49 | ≥10.50 |
| Range | ≤19.99 | 20.00 - 39.99 | 40.00 - 59.99 | 60.00 - 79.99 | 80.00 - 99.99 | 100.00 - 119.99 | ≥120.00 |
| Shot Speed | 0.60 - 0.99 | 1.00 - 1.49 | 1.50 - 1.99 | 2.00 - 2.49 | 2.50 - 2.99 | 3.00 - 3.49 | ≥3.50 |
| Luck | ≤1 | 2 | 3 | 4 | 5 | 6 | ≥7 |
- Tear falling speed increases range stat in the pause menu by 1 for every 0.5 tear falling speed added.
| Attribute | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|---|
| Speed | 0.10 - 0.66 | 0.67 - 0.88 | 0.89 - 1.11 | 1.12 - 1.33 | 1.34 - 1.55 | 1.56 - 1.77 | 1.78 - 1.99 | 2.00 |
| Fire Rate | ≤1.58 | 1.59 - 2.32 | 2.33 - 3.13 | 3.14 - 3.99 | 4.00 - 4.91 | 4.92 - 5.86 | 5.87 - 6.86 | ≥6.87 |
| Damage | 0.00 - 1.69 | 1.70 - 2.83 | 2.84 - 4.21 | 4.22 - 5.84 | 5.85 - 7.69 | 7.70 - 9.77 | 9.78 - 12.06 | ≥12.07 |
| Range | ≤4.24 | 4.25 - 5.74 | 5.75 - 7.24 | 7.25 - 8.74 | 8.75 - 10.24 | 10.25 - 11.74 | 11.75 - 13.24 | ≥13.25 |
| Shot Speed | 0.60 - 0.69 | 0.70 - 0.89 | 0.90 - 1.09 | 1.10 - 1.29 | 1.30 - 1.49 | 1.50 - 1.69 | 1.70 - 1.89 | ≥1.90 |
| Luck | ≤-1.51 | -1.50 - -0.51 | -0.50 - 0.49 | 0.50 - 1.49 | 1.50 - 2.49 | 2.50 - 3.49 | 3.50 - 4.49 | ≥4.50 |
The pause menu stat screen is made almost completely irrelevant by the introduction of the "Found Hud" feature. Once it is enabled from the in-game options, the Isaac's stats will be displayed in numerical form below the key count.
Found HUD
Some stats on the Found HUD are calculated and displayed differently from the internal, technical side of stats.
- Damage: Simply displays base damage per tear, without considering any special tear effects.
- Tears: Displayed as "tear delay" or "tears per second".
- To convert the internal tear delay to "Tears per second", use this formula: .
- Range: Displayed as approximate "tear lifespan" per tear or "range in tiles".
- There is no straightforward conversion from tear lifespan to range in tiles, as tear falling speed and shot speed are also involved.
 The Binding of Isaac: Rebirth
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