Vanilla Chapter 3:
Equip a piece of light armor: Armor can be crafted using an armorer’s bench. It can also be dropped by human enemies that you kill.
Use a skinning dagger to skin an animal: By using a skinning dagger you can harvest hides exclusively from animals.
Scout a Darfari camp: The Darfari are cannibals and will almost always be hostile when encountered. They eat human flesh in their worship of the demon-god Yog.
Obtain an iron bar: You can make iron by smelting iron ore in a furnace or take if from someone who has already done the work for you.
Find somebody to talk to: Occasionally you will meet friendly NPCs in the world. They provide valuable information about the world, as well as teaching new skills and abilities.
Shoot an enemy: Craft or find a bow and arrows. To equip arrows to a bow, drag them over the bow in your inventory or hotbar.
Venerate the gods: Use an altar just like any other crafting machine. If you are a worshipper of that particular god, the recipes available to you will show on the right.
Get a Head: Some creatures can be harvested for their heads, which can be stuffed and mounted on walls.
Throw an Orb: Equip an orb and press LMB to throw it so that it rolls for a distance. Use RMB to shake the orb and mix the contents, ensuring that it will react immediately upon impact.
Use a pick to gather bark from trees: You can use different tools on the same harvestable for different results. Use a pick to harvest wood and bark from trees, a hatchet to harvest wood and branches.
AoC Chapter 3:
My Place in the World: Craft a banner for your faction. These will be available for crafting at the Woodworking Bench after selecting a faction.