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Slow resist (or Slow resistance) is a stat that reduces the strength of and self-. It can be obtained from champion abilities, items, and runes, and stacks additively. It applies to already active slows. Not to be confused with tenacity, which reduces the duration of crowd control effects (including slows), and doesn't apply to already active effects.

## Increasing Slow Resist

### Items

• : Passive: Unique – Slow Resist:  Reduces the effectiveness of by 25%.

### Champion abilities

• grants him 40% slow resist while active.

## Slow Immunity

Slow immunity is different from 100% slow resist as it will remove any or as they are applied.

### Champion abilities

• grants him slow immunity for the duration.
• grants him slow immunity for the duration.
• grants her slow immunity before and a few seconds after taking damage from enemy champions.
• grants him slow immunity for the duration.

### Items

• : Active: Unique: Instantly removes all , , , , , , , , , and on an allied champion, as well as granting 2 seconds of . Successfully cleansing an effect will also grant the target 40% bonus movement speed for 2 seconds (120 second cooldown).

## Formulas

These formulas can calculate how much slow resist you have, based on your movement speed and on the slow applied to you.

• Slow Resist is the amount of slow resist you currently have.
• BaseMS is your base movement speed.
• BonusMS is the sum of all additive flat movement speed bonuses.
• MS Multiplier is the sum of all additive percent movement speed bonuses.
• Slow is the strongest slow currently applied on your champion.
• Slow Resist, MS Multiplier, and Slow are percentages (e.g. 50% is 0.5 in the formula).

Formula one:

$\pagecolor{black}\color{White} Movement\ Speed \leq 220:$ $\pagecolor{black}\color{White} Slow Resist = 1 - ({{1 - {{FinalMS - 110} \over {(BaseMS + BonusMS) \times (1 + MS Multiplier) \times 0.5}}}) \div {Slow}}$

Formula two:

$\pagecolor{black}\color{White} 220 \leq Movement\ Speed \leq 415:$ $\pagecolor{black}\color{White} Slow Resist = 1 - ({{1 - {{FinalMS} \over {(BaseMS + BonusMS) \times (1 + MS Multiplier)}}}) \div {Slow}}$

Formula three:

$\pagecolor{black}\color{White} 415 \leq Movement\ Speed \leq 490:$ $\pagecolor{black}\color{White} Slow Resist = 1 - ({{1 - {{{{FinalMS - 475} \over {0.5}} + 490} \over {(BaseMS + BonusMS) \times (1 + MS Multiplier)}}}) \div {Slow}}$

Formula four:

$\pagecolor{black}\color{White} Movement\ Speed \geq 490:$ $\pagecolor{black}\color{White} Slow Resist = 1 - ({{1 - {{{{FinalMS - 415} \over {0.8}} + 415} \over {(BaseMS + BonusMS) \times (1 + MS Multiplier)}}}) \div {Slow}}$

## Trivia

• Example of slow resist effect: A champion with , a movement speed of 400 and who is affected by a 40% slow will have a movement speed of 400 × (1 − (0.4 × 0.75)) = 280, which is equal to a 30% slow without slow resist.

Last updated: December 6, 2017, patch V7.24

• The biggest amount of slow resist obtainable is 155% with .
+ + + = 155%
• With this amount of slow resist, slows will no longer slow you. They will however increase your movement speed by (slow% × 55)%, stacking multiplicatively with bonus.
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