EastScape Wikibuilt from the game itself
Penumbra core
Where to find it: Glasswater Wastes (The Prism Regent; The Whitewake Leviathan; The Saltbound Choir), Thornspire Crown (The Crown of Thorns).
“Every Penumbra weapon is built around one. Made at the anvil from fifteen of its tier's material, two bars of the tier below, twenty prism salt from Glasswater Wastes and a mid-game material.”
On this page: Dropped by · How to make it · Used to make · The Prize Counter
Dropped by
| Monster | Level | How many | Chance a kill | Roll |
|---|---|---|---|---|
| The Saltbound Choir | 119 | 1 | 8% | Own roll |
| The Whitewake Leviathan | 117 | 1 | 5% | Own roll |
| The Crown of Thorns | 124 | 1 | 5% | Own roll |
| The Prism Regent | 115 | 1 | 4% | Own roll |
How to make it
| Materials | Skill | Where | Makes | XP |
|---|---|---|---|---|
15 ×  Umbral ember2 ×  Voidforged bar20 ×  Prism salt10 ×  Grimcore2 ×  Black-market ledger | Smithing 110 | an anvil | 1 | 7,200 |
Used to make
| Makes | Skill | Level | Also needs |
|---|---|---|---|
 Penumbra gladius | Smithing | 110 | Penumbra bar |
 Penumbra longsword | Smithing | 110 | 2 Penumbra bar |
 Penumbra maul | Smithing | 110 | 3 Penumbra bar |
The Prize Counter
Bom pays 1 ticket for it.