Answer:
Be cause he just doesn't want to steal the trees but to kill the demon.
Step-by-step explanation:
Epic of Gilgamesh is an epic poem written in Mesopotamia, considered as the second oldest religious text and first version dates to the 18th Century B. C.
At a point of the story, Gilgamesh plans to invade Humbaba's forbidden forest to get the cedar trees that Humbaba protects. Even though Gilgamesh is warned about the extraordinary power of the demon, the elder also suggest that he pray his father for protection so he can achieve his task.