Why does gilgamesh and enkidu need each other during war with humbaba ?

Enkidu and Gilgamesh battle, but neither can beat the other. ... Gilgamesh summoned the great winds to trap Humbaba and then killed him. They then cut down a number of cedar trees and brought the valuable logs back to Uruk. Later in the story, the two heroes kill another monster, the Bull of Heaven.

try something like republic or democracy joined or something because its talking about a election party.