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Arcane Supremacy icon
▶️ No sorcery lies beyond my grasp.
Rubick

Cast range ( ) is the distance at which a hero may use an ability on its target. Casting an ability beyond its cast range will cause the hero to move within the cast range, and cast the ability.

Cast range can be increased by certain abilities and certain specific talents. There are currently no Talent talents that increases a heroes' basic cast range.

Collision Size Bonus Range[]

An ability's maximum or actual cast range is dependent on the hero's collision size and the ability's targeting type.

No Target[]

Abilities with no target requirement are immediately cast as soon as its button is pressed. Many of these abilities do not have a cast time. However, they do not have an Instant Cast Animation (DOTA_ABILITY_BEHAVIOR_IMMEDIATE) instant cast time. They cannot directly target a unit or a point. Same goes for abilities that can be toggled On / Off. Therefore, only flat cast range bonuses are counted and collision size is not.

The cast range for no-target abilities is defined as:

With cb being the ability's base cast range and ci the cast range bonus sources.

Vector Targeting[]

Cast range bonuses increases all vector targeting ability's cast range as usual, using the same formula as above, but not area of effect.

Target Area[]

Cast range bonuses increases all area-targeted ability's cast range as usual, using the same formula as above, but not area of effect.

Target Unit[]

See also: Attack Range

Target unit abilities require the caster to directly target a unit, and cannot be used on the ground. The actual range at which a unit-targeted ability (or attack) is able to cast is a little further than the value shown due to having a motion buffer range, which is 250 range. This means that if a unit moves out of cast range, but is still within 250 range more than the ability's cast range when the ability's cast point completes, the unit-targeted ability will be cast.

Unit targeted abilities also considers the range from the caster's edge to the target's edge, based on the collision size of the caster and the target.

The cast range for unit-targeted abilities is defined as:

With cb being the ability's base cast range, ci the cast range bonus sources, cols the collision size of the caster and colt the collision size of the target.

Motion Buffer[]

When the cast range between the caster and the target exceeds the default cast range during the cast animation, the motion buffer range allows the ability to be still cast. For most unit-targeted abilities, the default motion range buffer is 250. In other words, for unit-targeted abilities, the target has to move at least 251 range away in order for the ability to be canceled.

If the targeted unit is out of the motion buffer range, the ability will be cast once the target and the caster move within the default range.

There are a few conditions that allow the ability to have a different motion range buffer than the default 250 range:

  • When the ability's cast point is not 0.
  • Upon finishing the ability's cast animation, and while the affected target(s) are within the default motion range buffer, the ability will be cast successfully.
  • Sources with different motion buffer range from the default value, as listed below.
  • When the ability's cast point is 0, the ability does not have a cast range buffer.
Abilities with Different Motion Buffer Range


Example[]

Luna minimap icon Luna casting Lucent Beam icon Lucent Beam on an enemy Abaddon minimap icon Abaddon, what is the maximum cast range of Lucent Beam in this example?
Cast range values:
Collision size values:
Lucent Beam icon Lucent Beam's actual cast range in this example is 1104, instead of 800.

Target Point[]

Point-target abilities require the caster to target a point or an area. For point-targeted abilities, both flat cast range bonuses and the range from the caster's edge to the target's edge, based on the collision size of the caster and the target is considered, but not the motion buffer range.

The cast range for point-targeted abilities is defined as:

Example[]

Morphling minimap icon Morphling is casting Waveform icon Waveform, what is the maximum cast range for Waveform?
Cast range values:
Collision size values:
Waveform icon Waveform has a maximum 1027 cast range in this example.

Attack Modifiers[]

Other Cast Range Bonuses[]

Some abilities have different cast range or provides cast range bonus in specific conditions.

Other Cast Range Bonuses

Cast Range Granting Abilities[]

For a list of special interactions with cast range increases, see Cast Range Interactions.

Bonuses[]

Cast Range Bonus Sources

Talents[]

Cast Range
Can be used by illusions.
Talent icon
Ability
Passive
Affects
Self
There is no description for this ability.
Cast Range Bonus: Varies

  • Increases the hero's cast range.
  • The following values exist:
    • 50/60/75/100/125/150/175/200/225/250/275/300/325/350/400


No hero has this talent.

Besides these, the following heroes have Talent talents that increase the cast range of specific abilities:

Reductions[]

The following abilities reduces the affected target's cast range by a percentage.

Cast Range Reduction Sources

Patch History[]

Patch
Description
  • Fixed certain abilities' preview (on Keyboard White Mouse None Mouse hover) not interacting correctly with cast range bonuses (e.g. Arcane Supremacy icon Arcane Supremacy).
  • Hovering over a unit's portrait now displays a range finder for their current vision range.
  • Ability ranges are now shown when hovering over enemy hero abilities (shows the values for the max level ranges).
  • Fixed some cases where the cast range range-finder wouldn't match the actual cast range (i.e. Talent Earth Spike icon Earth Spike).


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