Slayer is a title.

First War

WCOnH logo.png This section concerns content related to Warcraft: Orcs & Humans.

In Warcraft: Orcs & Humans, it is a rank you can achieve, slightly under the one of Warchief.

Second War

WC2BnE-logo.png This section concerns content related to Warcraft II: Tides of Darkness or its expansion Beyond the Dark Portal.

In Warcraft II: Beyond the Dark Portal, it is the title held by the player character in the Horde of Draenor campaign.[1] As Slayer to the Shadowmoon clan, the character has the duty of leading their armies into battle and as such the rank seems similar to the one described in the previous game.

World of Warcraft

Legion This section concerns content related to Legion.
Main article: Slayer (title)

Upon completion of the demon hunter class hall quest campaign, the player shall be granted the title of Slayer.[2]