Obsidian Working is 
Acre's idea.
How to Unlock[]
Obsidian Working can be unlocked by talking to Acre after reaching the unlock requirements:
Break 
Obsidian ore.
Completion Requirements[]
Obsidian Working can be completed after reaching prosperity 16,000 
and having delivered Obsidian (10).
Rewards[]
Completing the idea rewards the Player with 
Tools Station.
Gallery[]
TBA
See Also[]
| Ideas |
|---|
 Animal Friendship •  Animal Riding •  Animal Taming •  Art Station •  Beekeeping •  Breeding Pen •  Brewer •  Calendar •  Cask •  Cheese Cloth •  Clay Oven •  Cold Storage •  Composting •  Fermenter •  Granary •  Hammering •  A New Way of Fishing •  Irrigation •  Mortar and Pestle • Obsidian Working •  Gathered Garden •  Vinegar Pickling •  Plant Nursery •  Press •  School • Smelting •  Spindle Whorl •  Sundial •  Trading •  Water Wheel •  Well
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