Unmelting Ice
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, Mystic Arena and Temple, 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 2: 30 |
 Re-lottery All Scroll | 100 each |
 Re-lottery Scroll | 10 each |
| Mystic Arena | Rank 1: 50Rank 2: 100Rank 3: 1,000Rank 4: 5,000Rank 5: 10,000 |
| Temple | Rank 2: 10Rank 3: 500Rank 4: 2,500Rank 5: 10,000 |
Other ways to get it
| Frost 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 +Nie topniejący lód+น้ำแข็งที่ไม่ละลาย
Other languages: 万年氷不融的冰Gelo Impossível de DerreterGlace Éternelle녹지 않는 얼음Nie topniejący lódEwiges EisHielo IncongelableНевозгораемый ледEriyemeyen Buzน้ำแข็งที่ไม่ละลาย