Make a smithed item, an enchanted item, and a potion

Learn all three words of a shout

Chop wood, mine ore, and cook food

Absorb a dragon soul

Become a member of the Circle

Join the Stormcloaks or the Imperial Army

Join the Companions

Join the College of Winterhold

Gather intel on Raul Menendez from Mullah Rahmaan.

Investigate the jungle facility.

Rescue Woods.

In TranZit, kill one of the denizens of the forest while it is latched onto you.