The video above is the Far Cry Primal Path to Oros Walkthrough and shows how to complete the Path to Oros story mission featured in Far Cry Primal.
The video walkthrough covers the following mission objectives:
Hunt the Mammoth
Gather resources to craft a bow (5 Alder Wood, 2 Reeds, 2 Slate)
Hunt and Skin Three Goats for Food
Find Shelter and Light a Campfire
Follow the Wenja Tracks