Vanilla Chapter 8:
Visit New Asagard: Find New Asagard, the village of the Nordheimers, located in the highlands.
Defeat the Kinscourge: Tyros the Kinscourge can be found at the top of the Black Keep at the heart of the Ruins of Xulla in the northern highlands.
Get extremely drunk: Learn to brew alcholic beverages in the feat tree, or find someone willing to share. Then drink until you forget about everything.
Enter the Palace of the Witch Queen: Find and enter the Palace of the Witch Queen in the eastern swamps.
Drink the Yellow Lotus Potion: The Yellow Lotus Potion can be used to reset your feat and attribute points. Craft one at a Firebowl Cauldron or find one in the world and devour it.
Harvest the Black Lotus Blossom: Harvest Black Lotus in the Black Gardens of the ruined city in the swamp.
Discover all the Lemurian Lorestones: Listen to all of the Lemurian Lorestones to find out their side of the story.
Harvest a fallen star for ore: Find a fallen star and harvest it by shattering the outer shell with a demon-fire orb.
Build or Upgrade your building to the highest tier: Craft build pieces of the highest tier (black ice, reinforced stonebrick) and upgrade your building.
Discover what haunts the Sanctuary Ruins: The Sanctuary Ruins can be found on the southeastern edge of the Highlands.
AoC Chapter 8:
The Pillar of Society: Craft a Resource Mine.
Impenetrable Fortress: Craft any of the new T3 building pieces, like Marble, Slate, Kronyx, Anthracite and/or Granite pieces. These can be found in the Construction Platform.
Foundation of Resources: Loot minerals from the Resource Mine.
Bobby's Sanctuary: Find Bobby's Sanctuary in the northern mountains. He has set up within one of the caves.