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Goblin Spider-riders were goblin units which rode on medium-sized spiders. In The Lord of the Rings: The Battle for Middle-earth II, these units can aid Mordor or Isengard in destroying the enemy base during Skirmish. The goblins have thin heads, muscular bodies and are armed with weapons of spears and bows. The spiders have numerous eyes, four sharp fangs, long legs and poisonous stingers which can be used for "Venom sacks" at a Level 3 Spider Pit.
In The Lord of the Rings: The Battle for Middle-earth II, goblin spider riders can serve as enemies or allies, depending on the player's affiliation. Only a Spider Pit at Level 2 can train these. They are good for long-range fighting due to the goblin archers but better than Spiderlings, especially if the enemy is attacking.