How does Shamash help gilgamesh?

Shamash helps gilgamesh in a couple of ways. One way he helps gilgamesh is when gilgamesh is fighting humbaba. Shamash gives Gilgamesh the winds of the world to help defeat humbaba. Also another way shamash helps is through supporting Gilgamesh's confidence. When Gilgamesh is entering the Land of the Cedar he is struck with fear. When this happens Shamash speaks to him saying not to be affraid.