Board Thread:Suggestions forum/@comment-29807164-20160919170547/@comment-29298199-20160920063613

Ent have only been known to fight twice. The battle of isengard, and when mordor assaulted fangorn (Only shown by treebeard's recollections in rotk). Both times, it was during times of great peril and distress, which have not come yet.

I believe it's too uncanonical to implement this idea.