Cast range is the range at which a hero may use an ability on another unit. Cast range can be extended by certain abilities and talents.
Besides the listed abilities, Focus Fire and Walrus PUNCH! use the caster's attack range as their cast range.
1 All active attack modifiers use this cast range when manually cast, and their caster's attack range when set to autocast.
2 Has 400 range while in Elder Dragon Form.
3 This is the cast range when smashing a unit. Has 2000 range when smashing a Stone Remnant within a 200 radius, or 200 when targeting a Stone Remnant further away.
4 While Burrowed, Impale's and Mana Burn's cast range is increased to 1225 and 1050 respectively.
5 This is the default cast range. Has an additional 250 buffer range when used on a unit within the buffer range radius.
6 This is the cast range when used on a tree. Has 450 range when used on a ward.
7 This is the cast range when used on a tree (or allied hero in the case of Tango). Has 450 range when used on a ward.
8 This is the cast range when used on an allied unit or oneself. Has 400 range when used on an enemy unit.
The following heroes have a talent that grants them bonus cast range.
For a list of special interactions with cast range increases, see Cast Range Interactions.