This sound is from Warcraft 2 Sounds

Warcraft II Tides of Darkness is a fantasy real-time strategy computer game developed by Blizzard Entertainment. In Warcraft II, players collect resources to produce buildings and units in order to defeat an opponent in combat. The Battle.
See also: Warcraft (film), Warcraft, World of Warcraft, Warcraft III: Reign of Chaos, Warcraft III: The Frozen Throne, Warcraft: Orcs & Humans.