Caster
Caster has two Dota 2 meanings: an esports commentator covering a match, or a hero archetype that relies heavily on casting abilities rather than regular attacks.
What is Caster in Dota 2?
In Dota 2 esports, a caster is a commentator who explains and narrates a live match. Broadcasts often divide responsibilities between play-by-play casting, which follows the immediate action, and analytical commentary, which focuses more on strategy, drafts and decision-making. One person can also perform both functions.
Inside gameplay discussion, caster can instead describe a spell-reliant hero. In that sense the word is close to spellcaster: the hero’s impact comes primarily from abilities, cooldown management and mana rather than sustained right-click attacks. Context normally makes the intended meaning obvious.
How Caster is used in a match
On a tournament page, phrases such as casting desk, caster lineup or caster call almost always refer to broadcast talent. In a hero discussion, statements such as “this is a fragile caster” usually describe the way the hero deals damage or provides utility.
Because the two meanings belong to different parts of Dota 2, autolinking needs context. References near broadcast, stream, analyst or commentary language should be interpreted as esports; references near spells, mana and abilities point toward the hero-archetype sense.
Do not confuse Caster with...
Do not confuse the gameplay sense of caster with nuker. A caster relies heavily on abilities in general, while a nuker specifically specializes in dealing a large amount of damage quickly with those abilities.