Type and cost
Type
Mastery
Cost
Needs
In the tree
Effect
- Glass at the Furnace I or Furnace II: 4 instead of 3
- Empty Bottle at the Furnace I or Furnace II: 3 instead of 2
- Lens at the Furnace I or Furnace II: 3 instead of 2
- Alchemy Flasks I at the Furnace I or Furnace II: 3 instead of 2
- A 50% chance of 1 extra Alchemy Flasks II at the Furnace I or Furnace II
Cost
1Building inspiration point
Needs first
Opens
Building mastery +1Mastery upgrade