Huorn

Huorns are a race of animate, sentient trees that inhabit Fangorn forest. Watched over and shepherded by the Ents, the Hourns are trees that have become "Entish", growing super strong and capable of movement. They were  unleashed against the armies of Saruman at the battle of the hornburg, where they proved highly successful as shock troops.

Huorns can carry a lot of resentment, even have decayed, black hearts due to past wrongs against them. Nevertheless they proved vital to the victory over Saruman, and perhaps may stil stroll somewhere on earth, seeking out more opporintunities for Aboreal vengance...