The Tree of Blight is an evil tree that appears in the episode, "Hug Wolf", of the cartoon show Adventure Time.
The tree spews out its evil spores every 100 years. It was burned down by Jake, but in the explosion that followed, a piece of the Tree's flaming remains hit the Alpha Hug Wolf . It possibly left its evil mark on her because she turned into the Tree at the end of the episode.
The Tree Monster has the appearance of a blight stricken tree. It has numerous branches, but no leaves. It is completely black and has a green mouth and green eyes.