DCI: Last Alliance is a submod for Third Age: Total War, focused on the War of the Last Alliance in the Second Age of Middle-earth.
Great Forest Spiders can be recruited in Amon Lanc by Mordor and Orcs of the Misty Mountains.
This unit has been added to the updated patch which also fixes the crashes caused by such creatures.
Download the patch here: Moddb.com
Spiders are fixed in that they no longer crash the game? AMAZING!
Yes, spiders, wolves and ents no longer cause crashes.
time to update DCI!