Ancient Battery
An alchemy catalyst can give it on a critical result: which one, and how often, is under Other ways to get it below.
The town spends it on these buildings: Alchemist's Hut, Arcane Researcher and Blacksmith, rank by rank as Spent on below shows. Crafting some scrolls costs it too, also in Spent on.
Spent on
| Alchemist's Hut | Rank 3: 10 |
| Arcane Researcher | Rank 3: 50 |
| Blacksmith | Rank 2: 10Rank 3: 50Rank 4: 100Rank 5: 1,000 |
 Level Max All Scroll | 1,000 each |
 Level Max Scroll | 10 each |
Other ways to get it
| Storm Catalyst | A critical result: 0.2% a time at first, 0.02% more for each catalyst level |
History
Changes to this material across game updates.
- Other languages +Starożytna bateria+古代電池+แบตเตอรี่โบราณ
Other languages: 古代のバッテリー古代电池Bateria AntigaBatterie Antique고대 배터리Starożytna bateriaUralte BatterieBatería AntiguaДревняя батареяKadim Pil古代電池แบตเตอรี่โบราณ